19935144

素因数分解:

$2^3\times 3^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1$

素因数の和:239

約数の個数: 96

約数和(自身を含む): 56833920

約数和(自身を除く): 36898776

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 43, 47, 72, 86, 94, 129, 137, 141, 172, 188, 258, 274, 282, 344, 376, 387, 411, 423, 516, 548, 564, 774, 822, 846, 1032, 1096, 1128, 1233, 1548, 1644, 1692, 2021, 2466, 3096, 3288, 3384, 4042, 4932, 5891, 6063, 6439, 8084, 9864, 11782, 12126, 12878, 16168, 17673, 18189, 19317, 23564, 24252, 25756, 35346, 36378, 38634, 47128, 48504, 51512, 53019, 57951, 70692, 72756, 77268, 106038, 115902, 141384, 145512, 154536, 212076, 231804, 276877, 424152, 463608, 553754, 830631, 1107508, 1661262, 2215016, 2491893, 3322524, 4983786, 6645048, 9967572, 19935144]

約数ペア:

[(1, 19935144), (2, 9967572), (3, 6645048), (4, 4983786), (6, 3322524), (8, 2491893), (9, 2215016), (12, 1661262), (18, 1107508), (24, 830631), (36, 553754), (43, 463608), (47, 424152), (72, 276877), (86, 231804), (94, 212076), (129, 154536), (137, 145512), (141, 141384), (172, 115902), (188, 106038), (258, 77268), (274, 72756), (282, 70692), (344, 57951), (376, 53019), (387, 51512), (411, 48504), (423, 47128), (516, 38634), (548, 36378), (564, 35346), (774, 25756), (822, 24252), (846, 23564), (1032, 19317), (1096, 18189), (1128, 17673), (1233, 16168), (1548, 12878), (1644, 12126), (1692, 11782), (2021, 9864), (2466, 8084), (3096, 6439), (3288, 6063), (3384, 5891), (4042, 4932)]