18428630

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1$

素因数の和:209

約数の個数: 64

約数和(自身を含む): 38491200

約数和(自身を除く): 20062570

約数列:

[1, 2, 5, 10, 11, 22, 29, 53, 55, 58, 106, 109, 110, 145, 218, 265, 290, 319, 530, 545, 583, 638, 1090, 1166, 1199, 1537, 1595, 2398, 2915, 3074, 3161, 3190, 5777, 5830, 5995, 6322, 7685, 11554, 11990, 15370, 15805, 16907, 28885, 31610, 33814, 34771, 57770, 63547, 69542, 84535, 127094, 167533, 169070, 173855, 317735, 335066, 347710, 635470, 837665, 1675330, 1842863, 3685726, 9214315, 18428630]

約数ペア:

[(1, 18428630), (2, 9214315), (5, 3685726), (10, 1842863), (11, 1675330), (22, 837665), (29, 635470), (53, 347710), (55, 335066), (58, 317735), (106, 173855), (109, 169070), (110, 167533), (145, 127094), (218, 84535), (265, 69542), (290, 63547), (319, 57770), (530, 34771), (545, 33814), (583, 31610), (638, 28885), (1090, 16907), (1166, 15805), (1199, 15370), (1537, 11990), (1595, 11554), (2398, 7685), (2915, 6322), (3074, 5995), (3161, 5830), (3190, 5777)]