18329740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1$

素因数の和:92

約数の個数: 144

約数和(自身を含む): 49805280

約数和(自身を除く): 31475540

約数列:

[1, 2, 4, 5, 10, 11, 13, 17, 20, 22, 26, 29, 34, 44, 52, 55, 58, 65, 68, 85, 110, 116, 130, 143, 145, 169, 170, 187, 220, 221, 260, 286, 290, 319, 338, 340, 374, 377, 442, 493, 572, 580, 638, 676, 715, 748, 754, 845, 884, 935, 986, 1105, 1276, 1430, 1508, 1595, 1690, 1859, 1870, 1885, 1972, 2210, 2431, 2465, 2860, 2873, 3190, 3380, 3718, 3740, 3770, 4147, 4420, 4862, 4901, 4930, 5423, 5746, 6380, 6409, 7436, 7540, 8294, 9295, 9724, 9802, 9860, 10846, 11492, 12155, 12818, 14365, 16588, 18590, 19604, 20735, 21692, 24310, 24505, 25636, 27115, 28730, 31603, 32045, 37180, 41470, 48620, 49010, 53911, 54230, 57460, 63206, 64090, 70499, 82940, 83317, 98020, 107822, 108460, 126412, 128180, 140998, 158015, 166634, 215644, 269555, 281996, 316030, 333268, 352495, 416585, 539110, 632060, 704990, 833170, 916487, 1078220, 1409980, 1666340, 1832974, 3665948, 4582435, 9164870, 18329740]

約数ペア:

[(1, 18329740), (2, 9164870), (4, 4582435), (5, 3665948), (10, 1832974), (11, 1666340), (13, 1409980), (17, 1078220), (20, 916487), (22, 833170), (26, 704990), (29, 632060), (34, 539110), (44, 416585), (52, 352495), (55, 333268), (58, 316030), (65, 281996), (68, 269555), (85, 215644), (110, 166634), (116, 158015), (130, 140998), (143, 128180), (145, 126412), (169, 108460), (170, 107822), (187, 98020), (220, 83317), (221, 82940), (260, 70499), (286, 64090), (290, 63206), (319, 57460), (338, 54230), (340, 53911), (374, 49010), (377, 48620), (442, 41470), (493, 37180), (572, 32045), (580, 31603), (638, 28730), (676, 27115), (715, 25636), (748, 24505), (754, 24310), (845, 21692), (884, 20735), (935, 19604), (986, 18590), (1105, 16588), (1276, 14365), (1430, 12818), (1508, 12155), (1595, 11492), (1690, 10846), (1859, 9860), (1870, 9802), (1885, 9724), (1972, 9295), (2210, 8294), (2431, 7540), (2465, 7436), (2860, 6409), (2873, 6380), (3190, 5746), (3380, 5423), (3718, 4930), (3740, 4901), (3770, 4862), (4147, 4420)]