2018820816

素因数分解:

$2^4\times 3^2\times {\mathrm{71}}^1\times {\mathrm{379}}^1\times {\mathrm{521}}^1$

素因数の和:985

約数の個数: 120

約数和(自身を含む): 5755613760

約数和(自身を除く): 3736792944

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 71, 72, 142, 144, 213, 284, 379, 426, 521, 568, 639, 758, 852, 1042, 1136, 1137, 1278, 1516, 1563, 1704, 2084, 2274, 2556, 3032, 3126, 3408, 3411, 4168, 4548, 4689, 5112, 6064, 6252, 6822, 8336, 9096, 9378, 10224, 12504, 13644, 18192, 18756, 25008, 26909, 27288, 36991, 37512, 53818, 54576, 73982, 75024, 80727, 107636, 110973, 147964, 161454, 197459, 215272, 221946, 242181, 295928, 322908, 332919, 394918, 430544, 443892, 484362, 591856, 592377, 645816, 665838, 789836, 887784, 968724, 1184754, 1291632, 1331676, 1579672, 1775568, 1777131, 1937448, 2369508, 2663352, 3159344, 3554262, 3874896, 4739016, 5326704, 7108524, 9478032, 14019589, 14217048, 28039178, 28434096, 42058767, 56078356, 84117534, 112156712, 126176301, 168235068, 224313424, 252352602, 336470136, 504705204, 672940272, 1009410408, 2018820816]

約数ペア:

[(1, 2018820816), (2, 1009410408), (3, 672940272), (4, 504705204), (6, 336470136), (8, 252352602), (9, 224313424), (12, 168235068), (16, 126176301), (18, 112156712), (24, 84117534), (36, 56078356), (48, 42058767), (71, 28434096), (72, 28039178), (142, 14217048), (144, 14019589), (213, 9478032), (284, 7108524), (379, 5326704), (426, 4739016), (521, 3874896), (568, 3554262), (639, 3159344), (758, 2663352), (852, 2369508), (1042, 1937448), (1136, 1777131), (1137, 1775568), (1278, 1579672), (1516, 1331676), (1563, 1291632), (1704, 1184754), (2084, 968724), (2274, 887784), (2556, 789836), (3032, 665838), (3126, 645816), (3408, 592377), (3411, 591856), (4168, 484362), (4548, 443892), (4689, 430544), (5112, 394918), (6064, 332919), (6252, 322908), (6822, 295928), (8336, 242181), (9096, 221946), (9378, 215272), (10224, 197459), (12504, 161454), (13644, 147964), (18192, 110973), (18756, 107636), (25008, 80727), (26909, 75024), (27288, 73982), (36991, 54576), (37512, 53818)]