18623968

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{337}}^1$

素因数の和:515

約数の個数: 48

約数和(自身を含む): 40373424

約数和(自身を除く): 21749456

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 157, 176, 314, 337, 352, 628, 674, 1256, 1348, 1727, 2512, 2696, 3454, 3707, 5024, 5392, 6908, 7414, 10784, 13816, 14828, 27632, 29656, 52909, 55264, 59312, 105818, 118624, 211636, 423272, 581999, 846544, 1163998, 1693088, 2327996, 4655992, 9311984, 18623968]

約数ペア:

[(1, 18623968), (2, 9311984), (4, 4655992), (8, 2327996), (11, 1693088), (16, 1163998), (22, 846544), (32, 581999), (44, 423272), (88, 211636), (157, 118624), (176, 105818), (314, 59312), (337, 55264), (352, 52909), (628, 29656), (674, 27632), (1256, 14828), (1348, 13816), (1727, 10784), (2512, 7414), (2696, 6908), (3454, 5392), (3707, 5024)]