19668220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{23}}^2$

素因数の和:92

約数の個数: 108

約数和(自身を含む): 51004296

約数和(自身を除く): 31336076

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 23, 26, 44, 46, 52, 55, 65, 92, 110, 115, 130, 143, 169, 220, 230, 253, 260, 286, 299, 338, 460, 506, 529, 572, 598, 676, 715, 845, 1012, 1058, 1196, 1265, 1430, 1495, 1690, 1859, 2116, 2530, 2645, 2860, 2990, 3289, 3380, 3718, 3887, 5060, 5290, 5819, 5980, 6578, 6877, 7436, 7774, 9295, 10580, 11638, 13156, 13754, 15548, 16445, 18590, 19435, 23276, 27508, 29095, 32890, 34385, 37180, 38870, 42757, 58190, 65780, 68770, 75647, 77740, 85514, 89401, 116380, 137540, 151294, 171028, 178802, 213785, 302588, 357604, 378235, 427570, 447005, 756470, 855140, 894010, 983411, 1512940, 1788020, 1966822, 3933644, 4917055, 9834110, 19668220]

約数ペア:

[(1, 19668220), (2, 9834110), (4, 4917055), (5, 3933644), (10, 1966822), (11, 1788020), (13, 1512940), (20, 983411), (22, 894010), (23, 855140), (26, 756470), (44, 447005), (46, 427570), (52, 378235), (55, 357604), (65, 302588), (92, 213785), (110, 178802), (115, 171028), (130, 151294), (143, 137540), (169, 116380), (220, 89401), (230, 85514), (253, 77740), (260, 75647), (286, 68770), (299, 65780), (338, 58190), (460, 42757), (506, 38870), (529, 37180), (572, 34385), (598, 32890), (676, 29095), (715, 27508), (845, 23276), (1012, 19435), (1058, 18590), (1196, 16445), (1265, 15548), (1430, 13754), (1495, 13156), (1690, 11638), (1859, 10580), (2116, 9295), (2530, 7774), (2645, 7436), (2860, 6877), (2990, 6578), (3289, 5980), (3380, 5819), (3718, 5290), (3887, 5060)]