18791460

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1$

素因数の和:147

約数の個数: 192

約数和(自身を含む): 65318400

約数和(自身を除く): 46526940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 23, 27, 30, 34, 36, 45, 46, 51, 54, 60, 68, 69, 85, 89, 90, 92, 102, 108, 115, 135, 138, 153, 170, 178, 180, 204, 207, 230, 255, 267, 270, 276, 306, 340, 345, 356, 391, 414, 445, 459, 460, 510, 534, 540, 612, 621, 690, 765, 782, 801, 828, 890, 918, 1020, 1035, 1068, 1173, 1242, 1335, 1380, 1513, 1530, 1564, 1602, 1780, 1836, 1955, 2047, 2070, 2295, 2346, 2403, 2484, 2670, 3026, 3060, 3105, 3204, 3519, 3910, 4005, 4094, 4140, 4539, 4590, 4692, 4806, 5340, 5865, 6052, 6141, 6210, 7038, 7565, 7820, 8010, 8188, 9078, 9180, 9612, 10235, 10557, 11730, 12015, 12282, 12420, 13617, 14076, 15130, 16020, 17595, 18156, 18423, 20470, 21114, 22695, 23460, 24030, 24564, 27234, 30260, 30705, 34799, 35190, 36846, 40851, 40940, 42228, 45390, 48060, 52785, 54468, 55269, 61410, 68085, 69598, 70380, 73692, 81702, 90780, 92115, 104397, 105570, 110538, 122820, 136170, 139196, 163404, 173995, 184230, 204255, 208794, 211140, 221076, 272340, 276345, 313191, 347990, 368460, 408510, 417588, 521985, 552690, 626382, 695980, 817020, 939573, 1043970, 1105380, 1252764, 1565955, 1879146, 2087940, 3131910, 3758292, 4697865, 6263820, 9395730, 18791460]

約数ペア:

[(1, 18791460), (2, 9395730), (3, 6263820), (4, 4697865), (5, 3758292), (6, 3131910), (9, 2087940), (10, 1879146), (12, 1565955), (15, 1252764), (17, 1105380), (18, 1043970), (20, 939573), (23, 817020), (27, 695980), (30, 626382), (34, 552690), (36, 521985), (45, 417588), (46, 408510), (51, 368460), (54, 347990), (60, 313191), (68, 276345), (69, 272340), (85, 221076), (89, 211140), (90, 208794), (92, 204255), (102, 184230), (108, 173995), (115, 163404), (135, 139196), (138, 136170), (153, 122820), (170, 110538), (178, 105570), (180, 104397), (204, 92115), (207, 90780), (230, 81702), (255, 73692), (267, 70380), (270, 69598), (276, 68085), (306, 61410), (340, 55269), (345, 54468), (356, 52785), (391, 48060), (414, 45390), (445, 42228), (459, 40940), (460, 40851), (510, 36846), (534, 35190), (540, 34799), (612, 30705), (621, 30260), (690, 27234), (765, 24564), (782, 24030), (801, 23460), (828, 22695), (890, 21114), (918, 20470), (1020, 18423), (1035, 18156), (1068, 17595), (1173, 16020), (1242, 15130), (1335, 14076), (1380, 13617), (1513, 12420), (1530, 12282), (1564, 12015), (1602, 11730), (1780, 10557), (1836, 10235), (1955, 9612), (2047, 9180), (2070, 9078), (2295, 8188), (2346, 8010), (2403, 7820), (2484, 7565), (2670, 7038), (3026, 6210), (3060, 6141), (3105, 6052), (3204, 5865), (3519, 5340), (3910, 4806), (4005, 4692), (4094, 4590), (4140, 4539)]