19774040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{3457}}^1$

素因数の和:3492

約数の個数: 64

約数和(自身を含む): 52284960

約数和(自身を除く): 32510920

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 130, 143, 220, 260, 286, 440, 520, 572, 715, 1144, 1430, 2860, 3457, 5720, 6914, 13828, 17285, 27656, 34570, 38027, 44941, 69140, 76054, 89882, 138280, 152108, 179764, 190135, 224705, 304216, 359528, 380270, 449410, 494351, 760540, 898820, 988702, 1521080, 1797640, 1977404, 2471755, 3954808, 4943510, 9887020, 19774040]

約数ペア:

[(1, 19774040), (2, 9887020), (4, 4943510), (5, 3954808), (8, 2471755), (10, 1977404), (11, 1797640), (13, 1521080), (20, 988702), (22, 898820), (26, 760540), (40, 494351), (44, 449410), (52, 380270), (55, 359528), (65, 304216), (88, 224705), (104, 190135), (110, 179764), (130, 152108), (143, 138280), (220, 89882), (260, 76054), (286, 69140), (440, 44941), (520, 38027), (572, 34570), (715, 27656), (1144, 17285), (1430, 13828), (2860, 6914), (3457, 5720)]