19929780

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{167}}^1$

素因数の和:215

約数の個数: 192

約数和(自身を含む): 71124480

約数和(自身を除く): 51194700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 17, 18, 20, 26, 27, 30, 34, 36, 39, 45, 51, 52, 54, 60, 65, 68, 78, 85, 90, 102, 108, 117, 130, 135, 153, 156, 167, 170, 180, 195, 204, 221, 234, 255, 260, 270, 306, 334, 340, 351, 390, 442, 459, 468, 501, 510, 540, 585, 612, 663, 668, 702, 765, 780, 835, 884, 918, 1002, 1020, 1105, 1170, 1326, 1404, 1503, 1530, 1670, 1755, 1836, 1989, 2004, 2171, 2210, 2295, 2340, 2505, 2652, 2839, 3006, 3060, 3315, 3340, 3510, 3978, 4342, 4420, 4509, 4590, 5010, 5678, 5967, 6012, 6513, 6630, 7020, 7515, 7956, 8517, 8684, 9018, 9180, 9945, 10020, 10855, 11356, 11934, 13026, 13260, 14195, 15030, 17034, 18036, 19539, 19890, 21710, 22545, 23868, 25551, 26052, 28390, 29835, 30060, 32565, 34068, 36907, 39078, 39780, 42585, 43420, 45090, 51102, 56780, 58617, 59670, 65130, 73814, 76653, 78156, 85170, 90180, 97695, 102204, 110721, 117234, 119340, 127755, 130260, 147628, 153306, 170340, 184535, 195390, 221442, 234468, 255510, 293085, 306612, 332163, 369070, 383265, 390780, 442884, 511020, 553605, 586170, 664326, 738140, 766530, 996489, 1107210, 1172340, 1328652, 1533060, 1660815, 1992978, 2214420, 3321630, 3985956, 4982445, 6643260, 9964890, 19929780]

約数ペア:

[(1, 19929780), (2, 9964890), (3, 6643260), (4, 4982445), (5, 3985956), (6, 3321630), (9, 2214420), (10, 1992978), (12, 1660815), (13, 1533060), (15, 1328652), (17, 1172340), (18, 1107210), (20, 996489), (26, 766530), (27, 738140), (30, 664326), (34, 586170), (36, 553605), (39, 511020), (45, 442884), (51, 390780), (52, 383265), (54, 369070), (60, 332163), (65, 306612), (68, 293085), (78, 255510), (85, 234468), (90, 221442), (102, 195390), (108, 184535), (117, 170340), (130, 153306), (135, 147628), (153, 130260), (156, 127755), (167, 119340), (170, 117234), (180, 110721), (195, 102204), (204, 97695), (221, 90180), (234, 85170), (255, 78156), (260, 76653), (270, 73814), (306, 65130), (334, 59670), (340, 58617), (351, 56780), (390, 51102), (442, 45090), (459, 43420), (468, 42585), (501, 39780), (510, 39078), (540, 36907), (585, 34068), (612, 32565), (663, 30060), (668, 29835), (702, 28390), (765, 26052), (780, 25551), (835, 23868), (884, 22545), (918, 21710), (1002, 19890), (1020, 19539), (1105, 18036), (1170, 17034), (1326, 15030), (1404, 14195), (1503, 13260), (1530, 13026), (1670, 11934), (1755, 11356), (1836, 10855), (1989, 10020), (2004, 9945), (2171, 9180), (2210, 9018), (2295, 8684), (2340, 8517), (2505, 7956), (2652, 7515), (2839, 7020), (3006, 6630), (3060, 6513), (3315, 6012), (3340, 5967), (3510, 5678), (3978, 5010), (4342, 4590), (4420, 4509)]