18777648

素因数分解:

$2^4\times 3^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1$

素因数の和:254

約数の個数: 80

約数和(自身を含む): 50795360

約数和(自身を除く): 32017712

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 37, 48, 74, 97, 109, 111, 148, 194, 218, 222, 291, 296, 327, 388, 436, 444, 582, 592, 654, 776, 872, 888, 1164, 1308, 1552, 1744, 1776, 2328, 2616, 3589, 4033, 4656, 5232, 7178, 8066, 10573, 10767, 12099, 14356, 16132, 21146, 21534, 24198, 28712, 31719, 32264, 42292, 43068, 48396, 57424, 63438, 64528, 84584, 86136, 96792, 126876, 169168, 172272, 193584, 253752, 391201, 507504, 782402, 1173603, 1564804, 2347206, 3129608, 4694412, 6259216, 9388824, 18777648]

約数ペア:

[(1, 18777648), (2, 9388824), (3, 6259216), (4, 4694412), (6, 3129608), (8, 2347206), (12, 1564804), (16, 1173603), (24, 782402), (37, 507504), (48, 391201), (74, 253752), (97, 193584), (109, 172272), (111, 169168), (148, 126876), (194, 96792), (218, 86136), (222, 84584), (291, 64528), (296, 63438), (327, 57424), (388, 48396), (436, 43068), (444, 42292), (582, 32264), (592, 31719), (654, 28712), (776, 24198), (872, 21534), (888, 21146), (1164, 16132), (1308, 14356), (1552, 12099), (1744, 10767), (1776, 10573), (2328, 8066), (2616, 7178), (3589, 5232), (4033, 4656)]