19474312

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{587}}^1$

素因数の和:646

約数の個数: 64

約数和(自身を含む): 44452800

約数和(自身を除く): 24978488

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 29, 44, 52, 58, 88, 104, 116, 143, 232, 286, 319, 377, 572, 587, 638, 754, 1144, 1174, 1276, 1508, 2348, 2552, 3016, 4147, 4696, 6457, 7631, 8294, 12914, 15262, 16588, 17023, 25828, 30524, 33176, 34046, 51656, 61048, 68092, 83941, 136184, 167882, 187253, 221299, 335764, 374506, 442598, 671528, 749012, 885196, 1498024, 1770392, 2434289, 4868578, 9737156, 19474312]

約数ペア:

[(1, 19474312), (2, 9737156), (4, 4868578), (8, 2434289), (11, 1770392), (13, 1498024), (22, 885196), (26, 749012), (29, 671528), (44, 442598), (52, 374506), (58, 335764), (88, 221299), (104, 187253), (116, 167882), (143, 136184), (232, 83941), (286, 68092), (319, 61048), (377, 51656), (572, 34046), (587, 33176), (638, 30524), (754, 25828), (1144, 17023), (1174, 16588), (1276, 15262), (1508, 12914), (2348, 8294), (2552, 7631), (3016, 6457), (4147, 4696)]