19919616

素因数分解:

$2^8\times 3^1\times {\mathrm{37}}^1\times {\mathrm{701}}^1$

素因数の和:757

約数の個数: 72

約数和(自身を含む): 54525744

約数和(自身を除く): 34606128

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 37, 48, 64, 74, 96, 111, 128, 148, 192, 222, 256, 296, 384, 444, 592, 701, 768, 888, 1184, 1402, 1776, 2103, 2368, 2804, 3552, 4206, 4736, 5608, 7104, 8412, 9472, 11216, 14208, 16824, 22432, 25937, 28416, 33648, 44864, 51874, 67296, 77811, 89728, 103748, 134592, 155622, 179456, 207496, 269184, 311244, 414992, 538368, 622488, 829984, 1244976, 1659968, 2489952, 3319936, 4979904, 6639872, 9959808, 19919616]

約数ペア:

[(1, 19919616), (2, 9959808), (3, 6639872), (4, 4979904), (6, 3319936), (8, 2489952), (12, 1659968), (16, 1244976), (24, 829984), (32, 622488), (37, 538368), (48, 414992), (64, 311244), (74, 269184), (96, 207496), (111, 179456), (128, 155622), (148, 134592), (192, 103748), (222, 89728), (256, 77811), (296, 67296), (384, 51874), (444, 44864), (592, 33648), (701, 28416), (768, 25937), (888, 22432), (1184, 16824), (1402, 14208), (1776, 11216), (2103, 9472), (2368, 8412), (2804, 7104), (3552, 5608), (4206, 4736)]