18891152

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{5441}}^1$

素因数の和:5487

約数の個数: 40

約数和(自身を含む): 43187712

約数和(自身を除く): 24296560

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 217, 248, 434, 496, 868, 1736, 3472, 5441, 10882, 21764, 38087, 43528, 76174, 87056, 152348, 168671, 304696, 337342, 609392, 674684, 1180697, 1349368, 2361394, 2698736, 4722788, 9445576, 18891152]

約数ペア:

[(1, 18891152), (2, 9445576), (4, 4722788), (7, 2698736), (8, 2361394), (14, 1349368), (16, 1180697), (28, 674684), (31, 609392), (56, 337342), (62, 304696), (112, 168671), (124, 152348), (217, 87056), (248, 76174), (434, 43528), (496, 38087), (868, 21764), (1736, 10882), (3472, 5441)]