19001730

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{811}}^1$

素因数の和:903

約数の個数: 64

約数和(自身を含む): 50512896

約数和(自身を除く): 31511166

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 71, 110, 142, 165, 213, 330, 355, 426, 710, 781, 811, 1065, 1562, 1622, 2130, 2343, 2433, 3905, 4055, 4686, 4866, 7810, 8110, 8921, 11715, 12165, 17842, 23430, 24330, 26763, 44605, 53526, 57581, 89210, 115162, 133815, 172743, 267630, 287905, 345486, 575810, 633391, 863715, 1266782, 1727430, 1900173, 3166955, 3800346, 6333910, 9500865, 19001730]

約数ペア:

[(1, 19001730), (2, 9500865), (3, 6333910), (5, 3800346), (6, 3166955), (10, 1900173), (11, 1727430), (15, 1266782), (22, 863715), (30, 633391), (33, 575810), (55, 345486), (66, 287905), (71, 267630), (110, 172743), (142, 133815), (165, 115162), (213, 89210), (330, 57581), (355, 53526), (426, 44605), (710, 26763), (781, 24330), (811, 23430), (1065, 17842), (1562, 12165), (1622, 11715), (2130, 8921), (2343, 8110), (2433, 7810), (3905, 4866), (4055, 4686)]