18740427930

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{487651}}^1$

素因数の和:487732

約数の個数: 96

約数和(自身を含む): 56598841728

約数和(自身を除く): 37858413798

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 61, 63, 70, 90, 105, 122, 126, 183, 210, 305, 315, 366, 427, 549, 610, 630, 854, 915, 1098, 1281, 1830, 2135, 2562, 2745, 3843, 4270, 5490, 6405, 7686, 12810, 19215, 38430, 487651, 975302, 1462953, 2438255, 2925906, 3413557, 4388859, 4876510, 6827114, 7314765, 8777718, 10240671, 14629530, 17067785, 20481342, 21944295, 29746711, 30722013, 34135570, 43888590, 51203355, 59493422, 61444026, 89240133, 102406710, 148733555, 153610065, 178480266, 208226977, 267720399, 297467110, 307220130, 416453954, 446200665, 535440798, 624680931, 892401330, 1041134885, 1249361862, 1338601995, 1874042793, 2082269770, 2677203990, 3123404655, 3748085586, 6246809310, 9370213965, 18740427930]

約数ペア:

[(1, 18740427930), (2, 9370213965), (3, 6246809310), (5, 3748085586), (6, 3123404655), (7, 2677203990), (9, 2082269770), (10, 1874042793), (14, 1338601995), (15, 1249361862), (18, 1041134885), (21, 892401330), (30, 624680931), (35, 535440798), (42, 446200665), (45, 416453954), (61, 307220130), (63, 297467110), (70, 267720399), (90, 208226977), (105, 178480266), (122, 153610065), (126, 148733555), (183, 102406710), (210, 89240133), (305, 61444026), (315, 59493422), (366, 51203355), (427, 43888590), (549, 34135570), (610, 30722013), (630, 29746711), (854, 21944295), (915, 20481342), (1098, 17067785), (1281, 14629530), (1830, 10240671), (2135, 8777718), (2562, 7314765), (2745, 6827114), (3843, 4876510), (4270, 4388859), (5490, 3413557), (6405, 2925906), (7686, 2438255), (12810, 1462953), (19215, 975302), (38430, 487651)]