19122784

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{521}}^1$

素因数の和:599

約数の個数: 48

約数和(自身を含む): 39989376

約数和(自身を除く): 20866592

約数列:

[1, 2, 4, 8, 16, 31, 32, 37, 62, 74, 124, 148, 248, 296, 496, 521, 592, 992, 1042, 1147, 1184, 2084, 2294, 4168, 4588, 8336, 9176, 16151, 16672, 18352, 19277, 32302, 36704, 38554, 64604, 77108, 129208, 154216, 258416, 308432, 516832, 597587, 616864, 1195174, 2390348, 4780696, 9561392, 19122784]

約数ペア:

[(1, 19122784), (2, 9561392), (4, 4780696), (8, 2390348), (16, 1195174), (31, 616864), (32, 597587), (37, 516832), (62, 308432), (74, 258416), (124, 154216), (148, 129208), (248, 77108), (296, 64604), (496, 38554), (521, 36704), (592, 32302), (992, 19277), (1042, 18352), (1147, 16672), (1184, 16151), (2084, 9176), (2294, 8336), (4168, 4588)]