18897232

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{233}}^1$

素因数の和:415

約数の個数: 40

約数和(自身を含む): 38039976

約数和(自身を除く): 19142744

約数列:

[1, 2, 4, 8, 16, 37, 74, 137, 148, 233, 274, 296, 466, 548, 592, 932, 1096, 1864, 2192, 3728, 5069, 8621, 10138, 17242, 20276, 31921, 34484, 40552, 63842, 68968, 81104, 127684, 137936, 255368, 510736, 1181077, 2362154, 4724308, 9448616, 18897232]

約数ペア:

[(1, 18897232), (2, 9448616), (4, 4724308), (8, 2362154), (16, 1181077), (37, 510736), (74, 255368), (137, 137936), (148, 127684), (233, 81104), (274, 68968), (296, 63842), (466, 40552), (548, 34484), (592, 31921), (932, 20276), (1096, 17242), (1864, 10138), (2192, 8621), (3728, 5069)]