19771024

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{367}}^1$

素因数の和:432

約数の個数: 80

約数和(自身を含む): 48552448

約数和(自身を除く): 28781424

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 37, 52, 56, 74, 91, 104, 112, 148, 182, 208, 259, 296, 364, 367, 481, 518, 592, 728, 734, 962, 1036, 1456, 1468, 1924, 2072, 2569, 2936, 3367, 3848, 4144, 4771, 5138, 5872, 6734, 7696, 9542, 10276, 13468, 13579, 19084, 20552, 26936, 27158, 33397, 38168, 41104, 53872, 54316, 66794, 76336, 95053, 108632, 133588, 176527, 190106, 217264, 267176, 353054, 380212, 534352, 706108, 760424, 1235689, 1412216, 1520848, 2471378, 2824432, 4942756, 9885512, 19771024]

約数ペア:

[(1, 19771024), (2, 9885512), (4, 4942756), (7, 2824432), (8, 2471378), (13, 1520848), (14, 1412216), (16, 1235689), (26, 760424), (28, 706108), (37, 534352), (52, 380212), (56, 353054), (74, 267176), (91, 217264), (104, 190106), (112, 176527), (148, 133588), (182, 108632), (208, 95053), (259, 76336), (296, 66794), (364, 54316), (367, 53872), (481, 41104), (518, 38168), (592, 33397), (728, 27158), (734, 26936), (962, 20552), (1036, 19084), (1456, 13579), (1468, 13468), (1924, 10276), (2072, 9542), (2569, 7696), (2936, 6734), (3367, 5872), (3848, 5138), (4144, 4771)]