19530875

素因数分解:

$5^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1$

素因数の和:153

約数の個数: 64

約数和(自身を含む): 32078592

約数和(自身を除く): 12547717

約数列:

[1, 5, 7, 13, 17, 25, 35, 65, 85, 91, 101, 119, 125, 175, 221, 325, 425, 455, 505, 595, 707, 875, 1105, 1313, 1547, 1625, 1717, 2125, 2275, 2525, 2975, 3535, 5525, 6565, 7735, 8585, 9191, 11375, 12019, 12625, 14875, 17675, 22321, 27625, 32825, 38675, 42925, 45955, 60095, 88375, 111605, 156247, 164125, 193375, 214625, 229775, 300475, 558025, 781235, 1148875, 1502375, 2790125, 3906175, 19530875]

約数ペア:

[(1, 19530875), (5, 3906175), (7, 2790125), (13, 1502375), (17, 1148875), (25, 781235), (35, 558025), (65, 300475), (85, 229775), (91, 214625), (101, 193375), (119, 164125), (125, 156247), (175, 111605), (221, 88375), (325, 60095), (425, 45955), (455, 42925), (505, 38675), (595, 32825), (707, 27625), (875, 22321), (1105, 17675), (1313, 14875), (1547, 12625), (1625, 12019), (1717, 11375), (2125, 9191), (2275, 8585), (2525, 7735), (2975, 6565), (3535, 5525)]