19966976

素因数分解:

$2^{10}\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:105

約数の個数: 88

約数和(自身を含む): 44804736

約数和(自身を除く): 24837760

約数列:

[1, 2, 4, 8, 16, 17, 31, 32, 34, 37, 62, 64, 68, 74, 124, 128, 136, 148, 248, 256, 272, 296, 496, 512, 527, 544, 592, 629, 992, 1024, 1054, 1088, 1147, 1184, 1258, 1984, 2108, 2176, 2294, 2368, 2516, 3968, 4216, 4352, 4588, 4736, 5032, 7936, 8432, 8704, 9176, 9472, 10064, 15872, 16864, 17408, 18352, 18944, 19499, 20128, 31744, 33728, 36704, 37888, 38998, 40256, 67456, 73408, 77996, 80512, 134912, 146816, 155992, 161024, 269824, 293632, 311984, 322048, 539648, 587264, 623968, 644096, 1174528, 1247936, 2495872, 4991744, 9983488, 19966976]

約数ペア:

[(1, 19966976), (2, 9983488), (4, 4991744), (8, 2495872), (16, 1247936), (17, 1174528), (31, 644096), (32, 623968), (34, 587264), (37, 539648), (62, 322048), (64, 311984), (68, 293632), (74, 269824), (124, 161024), (128, 155992), (136, 146816), (148, 134912), (248, 80512), (256, 77996), (272, 73408), (296, 67456), (496, 40256), (512, 38998), (527, 37888), (544, 36704), (592, 33728), (629, 31744), (992, 20128), (1024, 19499), (1054, 18944), (1088, 18352), (1147, 17408), (1184, 16864), (1258, 15872), (1984, 10064), (2108, 9472), (2176, 9176), (2294, 8704), (2368, 8432), (2516, 7936), (3968, 5032), (4216, 4736), (4352, 4588)]