18789631380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{82781}}^1$

素因数の和:82906

約数の個数: 144

約数和(自身を含む): 62012989584

約数和(自身を除く): 43223358204

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 97, 117, 130, 156, 180, 194, 195, 234, 260, 291, 388, 390, 468, 485, 582, 585, 780, 873, 970, 1164, 1170, 1261, 1455, 1746, 1940, 2340, 2522, 2910, 3492, 3783, 4365, 5044, 5820, 6305, 7566, 8730, 11349, 12610, 15132, 17460, 18915, 22698, 25220, 37830, 45396, 56745, 75660, 82781, 113490, 165562, 226980, 248343, 331124, 413905, 496686, 745029, 827810, 993372, 1076153, 1241715, 1490058, 1655620, 2152306, 2483430, 2980116, 3228459, 3725145, 4304612, 4966860, 5380765, 6456918, 7450290, 8029757, 9685377, 10761530, 12913836, 14900580, 16059514, 16142295, 19370754, 21523060, 24089271, 32119028, 32284590, 38741508, 40148785, 48178542, 48426885, 64569180, 72267813, 80297570, 96357084, 96853770, 104386841, 120446355, 144535626, 160595140, 193707540, 208773682, 240892710, 289071252, 313160523, 361339065, 417547364, 481785420, 521934205, 626321046, 722678130, 939481569, 1043868410, 1252642092, 1445356260, 1565802615, 1878963138, 2087736820, 3131605230, 3757926276, 4697407845, 6263210460, 9394815690, 18789631380]

約数ペア:

[(1, 18789631380), (2, 9394815690), (3, 6263210460), (4, 4697407845), (5, 3757926276), (6, 3131605230), (9, 2087736820), (10, 1878963138), (12, 1565802615), (13, 1445356260), (15, 1252642092), (18, 1043868410), (20, 939481569), (26, 722678130), (30, 626321046), (36, 521934205), (39, 481785420), (45, 417547364), (52, 361339065), (60, 313160523), (65, 289071252), (78, 240892710), (90, 208773682), (97, 193707540), (117, 160595140), (130, 144535626), (156, 120446355), (180, 104386841), (194, 96853770), (195, 96357084), (234, 80297570), (260, 72267813), (291, 64569180), (388, 48426885), (390, 48178542), (468, 40148785), (485, 38741508), (582, 32284590), (585, 32119028), (780, 24089271), (873, 21523060), (970, 19370754), (1164, 16142295), (1170, 16059514), (1261, 14900580), (1455, 12913836), (1746, 10761530), (1940, 9685377), (2340, 8029757), (2522, 7450290), (2910, 6456918), (3492, 5380765), (3783, 4966860), (4365, 4304612), (5044, 3725145), (5820, 3228459), (6305, 2980116), (7566, 2483430), (8730, 2152306), (11349, 1655620), (12610, 1490058), (15132, 1241715), (17460, 1076153), (18915, 993372), (22698, 827810), (25220, 745029), (37830, 496686), (45396, 413905), (56745, 331124), (75660, 248343), (82781, 226980), (113490, 165562)]