19745770

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{2459}}^1$

素因数の和:2550

約数の個数: 32

約数和(自身を含む): 39320640

約数和(自身を除く): 19574870

約数列:

[1, 2, 5, 10, 11, 22, 55, 73, 110, 146, 365, 730, 803, 1606, 2459, 4015, 4918, 8030, 12295, 24590, 27049, 54098, 135245, 179507, 270490, 359014, 897535, 1795070, 1974577, 3949154, 9872885, 19745770]

約数ペア:

[(1, 19745770), (2, 9872885), (5, 3949154), (10, 1974577), (11, 1795070), (22, 897535), (55, 359014), (73, 270490), (110, 179507), (146, 135245), (365, 54098), (730, 27049), (803, 24590), (1606, 12295), (2459, 8030), (4015, 4918)]