18989850

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{677}}^1$

素因数の和:720

約数の個数: 96

約数和(自身を含む): 54478656

約数和(自身を除く): 35488806

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 17, 22, 25, 30, 33, 34, 50, 51, 55, 66, 75, 85, 102, 110, 150, 165, 170, 187, 255, 275, 330, 374, 425, 510, 550, 561, 677, 825, 850, 935, 1122, 1275, 1354, 1650, 1870, 2031, 2550, 2805, 3385, 4062, 4675, 5610, 6770, 7447, 9350, 10155, 11509, 14025, 14894, 16925, 20310, 22341, 23018, 28050, 33850, 34527, 37235, 44682, 50775, 57545, 69054, 74470, 101550, 111705, 115090, 126599, 172635, 186175, 223410, 253198, 287725, 345270, 372350, 379797, 558525, 575450, 632995, 759594, 863175, 1117050, 1265990, 1726350, 1898985, 3164975, 3797970, 6329950, 9494925, 18989850]

約数ペア:

[(1, 18989850), (2, 9494925), (3, 6329950), (5, 3797970), (6, 3164975), (10, 1898985), (11, 1726350), (15, 1265990), (17, 1117050), (22, 863175), (25, 759594), (30, 632995), (33, 575450), (34, 558525), (50, 379797), (51, 372350), (55, 345270), (66, 287725), (75, 253198), (85, 223410), (102, 186175), (110, 172635), (150, 126599), (165, 115090), (170, 111705), (187, 101550), (255, 74470), (275, 69054), (330, 57545), (374, 50775), (425, 44682), (510, 37235), (550, 34527), (561, 33850), (677, 28050), (825, 23018), (850, 22341), (935, 20310), (1122, 16925), (1275, 14894), (1354, 14025), (1650, 11509), (1870, 10155), (2031, 9350), (2550, 7447), (2805, 6770), (3385, 5610), (4062, 4675)]