19924920

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{971}}^1$

素因数の和:1010

約数の個数: 128

約数和(自身を含む): 69984000

約数和(自身を除く): 50059080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 54, 57, 60, 72, 76, 90, 95, 108, 114, 120, 135, 152, 171, 180, 190, 216, 228, 270, 285, 342, 360, 380, 456, 513, 540, 570, 684, 760, 855, 971, 1026, 1080, 1140, 1368, 1710, 1942, 2052, 2280, 2565, 2913, 3420, 3884, 4104, 4855, 5130, 5826, 6840, 7768, 8739, 9710, 10260, 11652, 14565, 17478, 18449, 19420, 20520, 23304, 26217, 29130, 34956, 36898, 38840, 43695, 52434, 55347, 58260, 69912, 73796, 87390, 92245, 104868, 110694, 116520, 131085, 147592, 166041, 174780, 184490, 209736, 221388, 262170, 276735, 332082, 349560, 368980, 442776, 498123, 524340, 553470, 664164, 737960, 830205, 996246, 1048680, 1106940, 1328328, 1660410, 1992492, 2213880, 2490615, 3320820, 3984984, 4981230, 6641640, 9962460, 19924920]

約数ペア:

[(1, 19924920), (2, 9962460), (3, 6641640), (4, 4981230), (5, 3984984), (6, 3320820), (8, 2490615), (9, 2213880), (10, 1992492), (12, 1660410), (15, 1328328), (18, 1106940), (19, 1048680), (20, 996246), (24, 830205), (27, 737960), (30, 664164), (36, 553470), (38, 524340), (40, 498123), (45, 442776), (54, 368980), (57, 349560), (60, 332082), (72, 276735), (76, 262170), (90, 221388), (95, 209736), (108, 184490), (114, 174780), (120, 166041), (135, 147592), (152, 131085), (171, 116520), (180, 110694), (190, 104868), (216, 92245), (228, 87390), (270, 73796), (285, 69912), (342, 58260), (360, 55347), (380, 52434), (456, 43695), (513, 38840), (540, 36898), (570, 34956), (684, 29130), (760, 26217), (855, 23304), (971, 20520), (1026, 19420), (1080, 18449), (1140, 17478), (1368, 14565), (1710, 11652), (1942, 10260), (2052, 9710), (2280, 8739), (2565, 7768), (2913, 6840), (3420, 5826), (3884, 5130), (4104, 4855)]