19318680

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{521}}^1$

素因数の和:641

約数の個数: 96

約数和(自身を含む): 63516960

約数和(自身を除く): 44198280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 103, 120, 180, 206, 309, 360, 412, 515, 521, 618, 824, 927, 1030, 1042, 1236, 1545, 1563, 1854, 2060, 2084, 2472, 2605, 3090, 3126, 3708, 4120, 4168, 4635, 4689, 5210, 6180, 6252, 7416, 7815, 9270, 9378, 10420, 12360, 12504, 15630, 18540, 18756, 20840, 23445, 31260, 37080, 37512, 46890, 53663, 62520, 93780, 107326, 160989, 187560, 214652, 268315, 321978, 429304, 482967, 536630, 643956, 804945, 965934, 1073260, 1287912, 1609890, 1931868, 2146520, 2414835, 3219780, 3863736, 4829670, 6439560, 9659340, 19318680]

約数ペア:

[(1, 19318680), (2, 9659340), (3, 6439560), (4, 4829670), (5, 3863736), (6, 3219780), (8, 2414835), (9, 2146520), (10, 1931868), (12, 1609890), (15, 1287912), (18, 1073260), (20, 965934), (24, 804945), (30, 643956), (36, 536630), (40, 482967), (45, 429304), (60, 321978), (72, 268315), (90, 214652), (103, 187560), (120, 160989), (180, 107326), (206, 93780), (309, 62520), (360, 53663), (412, 46890), (515, 37512), (521, 37080), (618, 31260), (824, 23445), (927, 20840), (1030, 18756), (1042, 18540), (1236, 15630), (1545, 12504), (1563, 12360), (1854, 10420), (2060, 9378), (2084, 9270), (2472, 7815), (2605, 7416), (3090, 6252), (3126, 6180), (3708, 5210), (4120, 4689), (4168, 4635)]