19215183

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1$

素因数の和:315

約数の個数: 32

約数和(自身を含む): 28873152

約数和(自身を除く): 9657969

約数列:

[1, 3, 13, 39, 41, 61, 123, 183, 197, 533, 591, 793, 1599, 2379, 2501, 2561, 7503, 7683, 8077, 12017, 24231, 32513, 36051, 97539, 105001, 156221, 315003, 468663, 492697, 1478091, 6405061, 19215183]

約数ペア:

[(1, 19215183), (3, 6405061), (13, 1478091), (39, 492697), (41, 468663), (61, 315003), (123, 156221), (183, 105001), (197, 97539), (533, 36051), (591, 32513), (793, 24231), (1599, 12017), (2379, 8077), (2501, 7683), (2561, 7503)]