18840250

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1$

素因数の和:89

約数の個数: 128

約数和(自身を含む): 45287424

約数和(自身を除く): 26447174

約数列:

[1, 2, 5, 10, 11, 13, 17, 22, 25, 26, 31, 34, 50, 55, 62, 65, 85, 110, 125, 130, 143, 155, 170, 187, 221, 250, 275, 286, 310, 325, 341, 374, 403, 425, 442, 527, 550, 650, 682, 715, 775, 806, 850, 935, 1054, 1105, 1375, 1430, 1550, 1625, 1705, 1870, 2015, 2125, 2210, 2431, 2635, 2750, 3250, 3410, 3575, 3875, 4030, 4250, 4433, 4675, 4862, 5270, 5525, 5797, 6851, 7150, 7750, 8525, 8866, 9350, 10075, 11050, 11594, 12155, 13175, 13702, 17050, 17875, 20150, 22165, 23375, 24310, 26350, 27625, 28985, 34255, 35750, 42625, 44330, 46750, 50375, 55250, 57970, 60775, 65875, 68510, 75361, 85250, 100750, 110825, 121550, 131750, 144925, 150722, 171275, 221650, 289850, 303875, 342550, 376805, 554125, 607750, 724625, 753610, 856375, 1108250, 1449250, 1712750, 1884025, 3768050, 9420125, 18840250]

約数ペア:

[(1, 18840250), (2, 9420125), (5, 3768050), (10, 1884025), (11, 1712750), (13, 1449250), (17, 1108250), (22, 856375), (25, 753610), (26, 724625), (31, 607750), (34, 554125), (50, 376805), (55, 342550), (62, 303875), (65, 289850), (85, 221650), (110, 171275), (125, 150722), (130, 144925), (143, 131750), (155, 121550), (170, 110825), (187, 100750), (221, 85250), (250, 75361), (275, 68510), (286, 65875), (310, 60775), (325, 57970), (341, 55250), (374, 50375), (403, 46750), (425, 44330), (442, 42625), (527, 35750), (550, 34255), (650, 28985), (682, 27625), (715, 26350), (775, 24310), (806, 23375), (850, 22165), (935, 20150), (1054, 17875), (1105, 17050), (1375, 13702), (1430, 13175), (1550, 12155), (1625, 11594), (1705, 11050), (1870, 10075), (2015, 9350), (2125, 8866), (2210, 8525), (2431, 7750), (2635, 7150), (2750, 6851), (3250, 5797), (3410, 5525), (3575, 5270), (3875, 4862), (4030, 4675), (4250, 4433)]