18969536

素因数分解:

$2^6\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1$

素因数の和:229

約数の個数: 56

約数和(自身を含む): 39495984

約数和(自身を除く): 20526448

約数列:

[1, 2, 4, 8, 16, 32, 43, 61, 64, 86, 113, 122, 172, 226, 244, 344, 452, 488, 688, 904, 976, 1376, 1808, 1952, 2623, 2752, 3616, 3904, 4859, 5246, 6893, 7232, 9718, 10492, 13786, 19436, 20984, 27572, 38872, 41968, 55144, 77744, 83936, 110288, 155488, 167872, 220576, 296399, 310976, 441152, 592798, 1185596, 2371192, 4742384, 9484768, 18969536]

約数ペア:

[(1, 18969536), (2, 9484768), (4, 4742384), (8, 2371192), (16, 1185596), (32, 592798), (43, 441152), (61, 310976), (64, 296399), (86, 220576), (113, 167872), (122, 155488), (172, 110288), (226, 83936), (244, 77744), (344, 55144), (452, 41968), (488, 38872), (688, 27572), (904, 20984), (976, 19436), (1376, 13786), (1808, 10492), (1952, 9718), (2623, 7232), (2752, 6893), (3616, 5246), (3904, 4859)]