18758272

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{11273}}^1$

素因数の和:11300

約数の個数: 32

約数和(自身を含む): 40248180

約数和(自身を除く): 21489908

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 832, 1664, 11273, 22546, 45092, 90184, 146549, 180368, 293098, 360736, 586196, 721472, 1172392, 1442944, 2344784, 4689568, 9379136, 18758272]

約数ペア:

[(1, 18758272), (2, 9379136), (4, 4689568), (8, 2344784), (13, 1442944), (16, 1172392), (26, 721472), (32, 586196), (52, 360736), (64, 293098), (104, 180368), (128, 146549), (208, 90184), (416, 45092), (832, 22546), (1664, 11273)]