19744384

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{379}}^1$

素因数の和:441

約数の個数: 64

約数和(自身を含む): 44186400

約数和(自身を除く): 24442016

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 37, 44, 64, 74, 88, 128, 148, 176, 296, 352, 379, 407, 592, 704, 758, 814, 1184, 1408, 1516, 1628, 2368, 3032, 3256, 4169, 4736, 6064, 6512, 8338, 12128, 13024, 14023, 16676, 24256, 26048, 28046, 33352, 48512, 52096, 56092, 66704, 112184, 133408, 154253, 224368, 266816, 308506, 448736, 533632, 617012, 897472, 1234024, 1794944, 2468048, 4936096, 9872192, 19744384]

約数ペア:

[(1, 19744384), (2, 9872192), (4, 4936096), (8, 2468048), (11, 1794944), (16, 1234024), (22, 897472), (32, 617012), (37, 533632), (44, 448736), (64, 308506), (74, 266816), (88, 224368), (128, 154253), (148, 133408), (176, 112184), (296, 66704), (352, 56092), (379, 52096), (407, 48512), (592, 33352), (704, 28046), (758, 26048), (814, 24256), (1184, 16676), (1408, 14023), (1516, 13024), (1628, 12128), (2368, 8338), (3032, 6512), (3256, 6064), (4169, 4736)]