18317220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^2\times {\mathrm{223}}^1$

素因数の和:309

約数の個数: 72

約数和(自身を含む): 52948224

約数和(自身を除く): 34631004

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 60, 74, 111, 148, 185, 222, 223, 370, 444, 446, 555, 669, 740, 892, 1110, 1115, 1338, 1369, 2220, 2230, 2676, 2738, 3345, 4107, 4460, 5476, 6690, 6845, 8214, 8251, 13380, 13690, 16428, 16502, 20535, 24753, 27380, 33004, 41070, 41255, 49506, 82140, 82510, 99012, 123765, 165020, 247530, 305287, 495060, 610574, 915861, 1221148, 1526435, 1831722, 3052870, 3663444, 4579305, 6105740, 9158610, 18317220]

約数ペア:

[(1, 18317220), (2, 9158610), (3, 6105740), (4, 4579305), (5, 3663444), (6, 3052870), (10, 1831722), (12, 1526435), (15, 1221148), (20, 915861), (30, 610574), (37, 495060), (60, 305287), (74, 247530), (111, 165020), (148, 123765), (185, 99012), (222, 82510), (223, 82140), (370, 49506), (444, 41255), (446, 41070), (555, 33004), (669, 27380), (740, 24753), (892, 20535), (1110, 16502), (1115, 16428), (1338, 13690), (1369, 13380), (2220, 8251), (2230, 8214), (2676, 6845), (2738, 6690), (3345, 5476), (4107, 4460)]