19454435

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^3\times {\mathrm{23}}^1$

素因数の和:85

約数の個数: 64

約数和(自身を含む): 32901120

約数和(自身を除く): 13446685

約数列:

[1, 5, 7, 11, 13, 23, 35, 55, 65, 77, 91, 115, 143, 161, 169, 253, 299, 385, 455, 715, 805, 845, 1001, 1183, 1265, 1495, 1771, 1859, 2093, 2197, 3289, 3887, 5005, 5915, 8855, 9295, 10465, 10985, 13013, 15379, 16445, 19435, 23023, 24167, 27209, 42757, 50531, 65065, 76895, 115115, 120835, 136045, 169169, 213785, 252655, 299299, 353717, 555841, 845845, 1496495, 1768585, 2779205, 3890887, 19454435]

約数ペア:

[(1, 19454435), (5, 3890887), (7, 2779205), (11, 1768585), (13, 1496495), (23, 845845), (35, 555841), (55, 353717), (65, 299299), (77, 252655), (91, 213785), (115, 169169), (143, 136045), (161, 120835), (169, 115115), (253, 76895), (299, 65065), (385, 50531), (455, 42757), (715, 27209), (805, 24167), (845, 23023), (1001, 19435), (1183, 16445), (1265, 15379), (1495, 13013), (1771, 10985), (1859, 10465), (2093, 9295), (2197, 8855), (3289, 5915), (3887, 5005)]