19766272

素因数分解:

$2^{10}\times {\mathrm{97}}^1\times {\mathrm{199}}^1$

素因数の和:316

約数の個数: 44

約数和(自身を含む): 40121200

約数和(自身を除く): 20354928

約数列:

[1, 2, 4, 8, 16, 32, 64, 97, 128, 194, 199, 256, 388, 398, 512, 776, 796, 1024, 1552, 1592, 3104, 3184, 6208, 6368, 12416, 12736, 19303, 24832, 25472, 38606, 49664, 50944, 77212, 99328, 101888, 154424, 203776, 308848, 617696, 1235392, 2470784, 4941568, 9883136, 19766272]

約数ペア:

[(1, 19766272), (2, 9883136), (4, 4941568), (8, 2470784), (16, 1235392), (32, 617696), (64, 308848), (97, 203776), (128, 154424), (194, 101888), (199, 99328), (256, 77212), (388, 50944), (398, 49664), (512, 38606), (776, 25472), (796, 24832), (1024, 19303), (1552, 12736), (1592, 12416), (3104, 6368), (3184, 6208)]