19879009020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{369361}}^1$

素因数の和:369412

約数の個数: 144

約数和(自身を含む): 67761675072

約数和(自身を除く): 47882666052

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 23, 26, 30, 36, 39, 45, 46, 52, 60, 65, 69, 78, 90, 92, 115, 117, 130, 138, 156, 180, 195, 207, 230, 234, 260, 276, 299, 345, 390, 414, 460, 468, 585, 598, 690, 780, 828, 897, 1035, 1170, 1196, 1380, 1495, 1794, 2070, 2340, 2691, 2990, 3588, 4140, 4485, 5382, 5980, 8970, 10764, 13455, 17940, 26910, 53820, 369361, 738722, 1108083, 1477444, 1846805, 2216166, 3324249, 3693610, 4432332, 4801693, 5540415, 6648498, 7387220, 8495303, 9603386, 11080830, 13296996, 14405079, 16621245, 16990606, 19206772, 22161660, 24008465, 25485909, 28810158, 33242490, 33981212, 42476515, 43215237, 48016930, 50971818, 57620316, 66484980, 72025395, 76457727, 84953030, 86430474, 96033860, 101943636, 110438939, 127429545, 144050790, 152915454, 169906060, 172860948, 216076185, 220877878, 254859090, 288101580, 305830908, 331316817, 382288635, 432152370, 441755756, 509718180, 552194695, 662633634, 764577270, 864304740, 993950451, 1104389390, 1325267268, 1529154540, 1656584085, 1987900902, 2208778780, 3313168170, 3975801804, 4969752255, 6626336340, 9939504510, 19879009020]

約数ペア:

[(1, 19879009020), (2, 9939504510), (3, 6626336340), (4, 4969752255), (5, 3975801804), (6, 3313168170), (9, 2208778780), (10, 1987900902), (12, 1656584085), (13, 1529154540), (15, 1325267268), (18, 1104389390), (20, 993950451), (23, 864304740), (26, 764577270), (30, 662633634), (36, 552194695), (39, 509718180), (45, 441755756), (46, 432152370), (52, 382288635), (60, 331316817), (65, 305830908), (69, 288101580), (78, 254859090), (90, 220877878), (92, 216076185), (115, 172860948), (117, 169906060), (130, 152915454), (138, 144050790), (156, 127429545), (180, 110438939), (195, 101943636), (207, 96033860), (230, 86430474), (234, 84953030), (260, 76457727), (276, 72025395), (299, 66484980), (345, 57620316), (390, 50971818), (414, 48016930), (460, 43215237), (468, 42476515), (585, 33981212), (598, 33242490), (690, 28810158), (780, 25485909), (828, 24008465), (897, 22161660), (1035, 19206772), (1170, 16990606), (1196, 16621245), (1380, 14405079), (1495, 13296996), (1794, 11080830), (2070, 9603386), (2340, 8495303), (2691, 7387220), (2990, 6648498), (3588, 5540415), (4140, 4801693), (4485, 4432332), (5382, 3693610), (5980, 3324249), (8970, 2216166), (10764, 1846805), (13455, 1477444), (17940, 1108083), (26910, 738722), (53820, 369361)]