19862520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{1607}}^1$

素因数の和:1724

約数の個数: 64

約数和(自身を含む): 60203520

約数和(自身を除く): 40341000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 103, 120, 206, 309, 412, 515, 618, 824, 1030, 1236, 1545, 1607, 2060, 2472, 3090, 3214, 4120, 4821, 6180, 6428, 8035, 9642, 12360, 12856, 16070, 19284, 24105, 32140, 38568, 48210, 64280, 96420, 165521, 192840, 331042, 496563, 662084, 827605, 993126, 1324168, 1655210, 1986252, 2482815, 3310420, 3972504, 4965630, 6620840, 9931260, 19862520]

約数ペア:

[(1, 19862520), (2, 9931260), (3, 6620840), (4, 4965630), (5, 3972504), (6, 3310420), (8, 2482815), (10, 1986252), (12, 1655210), (15, 1324168), (20, 993126), (24, 827605), (30, 662084), (40, 496563), (60, 331042), (103, 192840), (120, 165521), (206, 96420), (309, 64280), (412, 48210), (515, 38568), (618, 32140), (824, 24105), (1030, 19284), (1236, 16070), (1545, 12856), (1607, 12360), (2060, 9642), (2472, 8035), (3090, 6428), (3214, 6180), (4120, 4821)]