18943560

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{521}}^1$

素因数の和:639

約数の個数: 96

約数和(自身を含む): 62295480

約数和(自身を除く): 43351920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 101, 120, 180, 202, 303, 360, 404, 505, 521, 606, 808, 909, 1010, 1042, 1212, 1515, 1563, 1818, 2020, 2084, 2424, 2605, 3030, 3126, 3636, 4040, 4168, 4545, 4689, 5210, 6060, 6252, 7272, 7815, 9090, 9378, 10420, 12120, 12504, 15630, 18180, 18756, 20840, 23445, 31260, 36360, 37512, 46890, 52621, 62520, 93780, 105242, 157863, 187560, 210484, 263105, 315726, 420968, 473589, 526210, 631452, 789315, 947178, 1052420, 1262904, 1578630, 1894356, 2104840, 2367945, 3157260, 3788712, 4735890, 6314520, 9471780, 18943560]

約数ペア:

[(1, 18943560), (2, 9471780), (3, 6314520), (4, 4735890), (5, 3788712), (6, 3157260), (8, 2367945), (9, 2104840), (10, 1894356), (12, 1578630), (15, 1262904), (18, 1052420), (20, 947178), (24, 789315), (30, 631452), (36, 526210), (40, 473589), (45, 420968), (60, 315726), (72, 263105), (90, 210484), (101, 187560), (120, 157863), (180, 105242), (202, 93780), (303, 62520), (360, 52621), (404, 46890), (505, 37512), (521, 36360), (606, 31260), (808, 23445), (909, 20840), (1010, 18756), (1042, 18180), (1212, 15630), (1515, 12504), (1563, 12120), (1818, 10420), (2020, 9378), (2084, 9090), (2424, 7815), (2605, 7272), (3030, 6252), (3126, 6060), (3636, 5210), (4040, 4689), (4168, 4545)]