18861960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{113}}^1$

素因数の和:247

約数の個数: 128

約数和(自身を含む): 62052480

約数和(自身を除く): 43190520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 107, 113, 120, 130, 156, 195, 214, 226, 260, 312, 321, 339, 390, 428, 452, 520, 535, 565, 642, 678, 780, 856, 904, 1070, 1130, 1284, 1356, 1391, 1469, 1560, 1605, 1695, 2140, 2260, 2568, 2712, 2782, 2938, 3210, 3390, 4173, 4280, 4407, 4520, 5564, 5876, 6420, 6780, 6955, 7345, 8346, 8814, 11128, 11752, 12091, 12840, 13560, 13910, 14690, 16692, 17628, 20865, 22035, 24182, 27820, 29380, 33384, 35256, 36273, 41730, 44070, 48364, 55640, 58760, 60455, 72546, 83460, 88140, 96728, 120910, 145092, 157183, 166920, 176280, 181365, 241820, 290184, 314366, 362730, 471549, 483640, 628732, 725460, 785915, 943098, 1257464, 1450920, 1571830, 1886196, 2357745, 3143660, 3772392, 4715490, 6287320, 9430980, 18861960]

約数ペア:

[(1, 18861960), (2, 9430980), (3, 6287320), (4, 4715490), (5, 3772392), (6, 3143660), (8, 2357745), (10, 1886196), (12, 1571830), (13, 1450920), (15, 1257464), (20, 943098), (24, 785915), (26, 725460), (30, 628732), (39, 483640), (40, 471549), (52, 362730), (60, 314366), (65, 290184), (78, 241820), (104, 181365), (107, 176280), (113, 166920), (120, 157183), (130, 145092), (156, 120910), (195, 96728), (214, 88140), (226, 83460), (260, 72546), (312, 60455), (321, 58760), (339, 55640), (390, 48364), (428, 44070), (452, 41730), (520, 36273), (535, 35256), (565, 33384), (642, 29380), (678, 27820), (780, 24182), (856, 22035), (904, 20865), (1070, 17628), (1130, 16692), (1284, 14690), (1356, 13910), (1391, 13560), (1469, 12840), (1560, 12091), (1605, 11752), (1695, 11128), (2140, 8814), (2260, 8346), (2568, 7345), (2712, 6955), (2782, 6780), (2938, 6420), (3210, 5876), (3390, 5564), (4173, 4520), (4280, 4407)]