18249920

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1$

素因数の和:178

約数の個数: 112

約数和(自身を含む): 48390048

約数和(自身を除く): 30140128

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 41, 52, 64, 65, 80, 82, 104, 107, 130, 160, 164, 205, 208, 214, 260, 320, 328, 410, 416, 428, 520, 533, 535, 656, 820, 832, 856, 1040, 1066, 1070, 1312, 1391, 1640, 1712, 2080, 2132, 2140, 2624, 2665, 2782, 3280, 3424, 4160, 4264, 4280, 4387, 5330, 5564, 6560, 6848, 6955, 8528, 8560, 8774, 10660, 11128, 13120, 13910, 17056, 17120, 17548, 21320, 21935, 22256, 27820, 34112, 34240, 35096, 42640, 43870, 44512, 55640, 57031, 70192, 85280, 87740, 89024, 111280, 114062, 140384, 170560, 175480, 222560, 228124, 280768, 285155, 350960, 445120, 456248, 570310, 701920, 912496, 1140620, 1403840, 1824992, 2281240, 3649984, 4562480, 9124960, 18249920]

約数ペア:

[(1, 18249920), (2, 9124960), (4, 4562480), (5, 3649984), (8, 2281240), (10, 1824992), (13, 1403840), (16, 1140620), (20, 912496), (26, 701920), (32, 570310), (40, 456248), (41, 445120), (52, 350960), (64, 285155), (65, 280768), (80, 228124), (82, 222560), (104, 175480), (107, 170560), (130, 140384), (160, 114062), (164, 111280), (205, 89024), (208, 87740), (214, 85280), (260, 70192), (320, 57031), (328, 55640), (410, 44512), (416, 43870), (428, 42640), (520, 35096), (533, 34240), (535, 34112), (656, 27820), (820, 22256), (832, 21935), (856, 21320), (1040, 17548), (1066, 17120), (1070, 17056), (1312, 13910), (1391, 13120), (1640, 11128), (1712, 10660), (2080, 8774), (2132, 8560), (2140, 8528), (2624, 6955), (2665, 6848), (2782, 6560), (3280, 5564), (3424, 5330), (4160, 4387), (4264, 4280)]