19747744

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1171}}^1$

素因数の和:1229

約数の個数: 48

約数和(自身を含む): 42529536

約数和(自身を除く): 22781792

約数列:

[1, 2, 4, 8, 16, 17, 31, 32, 34, 62, 68, 124, 136, 248, 272, 496, 527, 544, 992, 1054, 1171, 2108, 2342, 4216, 4684, 8432, 9368, 16864, 18736, 19907, 36301, 37472, 39814, 72602, 79628, 145204, 159256, 290408, 318512, 580816, 617117, 637024, 1161632, 1234234, 2468468, 4936936, 9873872, 19747744]

約数ペア:

[(1, 19747744), (2, 9873872), (4, 4936936), (8, 2468468), (16, 1234234), (17, 1161632), (31, 637024), (32, 617117), (34, 580816), (62, 318512), (68, 290408), (124, 159256), (136, 145204), (248, 79628), (272, 72602), (496, 39814), (527, 37472), (544, 36301), (992, 19907), (1054, 18736), (1171, 16864), (2108, 9368), (2342, 8432), (4216, 4684)]