18387960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{4943}}^1$

素因数の和:4988

約数の個数: 64

約数和(自身を含む): 56954880

約数和(自身を除く): 38566920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 155, 186, 248, 310, 372, 465, 620, 744, 930, 1240, 1860, 3720, 4943, 9886, 14829, 19772, 24715, 29658, 39544, 49430, 59316, 74145, 98860, 118632, 148290, 153233, 197720, 296580, 306466, 459699, 593160, 612932, 766165, 919398, 1225864, 1532330, 1838796, 2298495, 3064660, 3677592, 4596990, 6129320, 9193980, 18387960]

約数ペア:

[(1, 18387960), (2, 9193980), (3, 6129320), (4, 4596990), (5, 3677592), (6, 3064660), (8, 2298495), (10, 1838796), (12, 1532330), (15, 1225864), (20, 919398), (24, 766165), (30, 612932), (31, 593160), (40, 459699), (60, 306466), (62, 296580), (93, 197720), (120, 153233), (124, 148290), (155, 118632), (186, 98860), (248, 74145), (310, 59316), (372, 49430), (465, 39544), (620, 29658), (744, 24715), (930, 19772), (1240, 14829), (1860, 9886), (3720, 4943)]