19757595

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{151}}^1$

素因数の和:244

約数の個数: 64

約数和(自身を含む): 37997568

約数和(自身を除く): 18239973

約数列:

[1, 3, 5, 11, 13, 15, 33, 39, 55, 61, 65, 143, 151, 165, 183, 195, 305, 429, 453, 671, 715, 755, 793, 915, 1661, 1963, 2013, 2145, 2265, 2379, 3355, 3965, 4983, 5889, 8305, 8723, 9211, 9815, 10065, 11895, 21593, 24915, 26169, 27633, 29445, 43615, 46055, 64779, 101321, 107965, 119743, 130845, 138165, 303963, 323895, 359229, 506605, 598715, 1317173, 1519815, 1796145, 3951519, 6585865, 19757595]

約数ペア:

[(1, 19757595), (3, 6585865), (5, 3951519), (11, 1796145), (13, 1519815), (15, 1317173), (33, 598715), (39, 506605), (55, 359229), (61, 323895), (65, 303963), (143, 138165), (151, 130845), (165, 119743), (183, 107965), (195, 101321), (305, 64779), (429, 46055), (453, 43615), (671, 29445), (715, 27633), (755, 26169), (793, 24915), (915, 21593), (1661, 11895), (1963, 10065), (2013, 9815), (2145, 9211), (2265, 8723), (2379, 8305), (3355, 5889), (3965, 4983)]