19922250

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{101}}^1\times {\mathrm{263}}^1$

素因数の和:384

約数の個数: 64

約数和(自身を含む): 50409216

約数和(自身を除く): 30486966

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 101, 125, 150, 202, 250, 263, 303, 375, 505, 526, 606, 750, 789, 1010, 1315, 1515, 1578, 2525, 2630, 3030, 3945, 5050, 6575, 7575, 7890, 12625, 13150, 15150, 19725, 25250, 26563, 32875, 37875, 39450, 53126, 65750, 75750, 79689, 98625, 132815, 159378, 197250, 265630, 398445, 664075, 796890, 1328150, 1992225, 3320375, 3984450, 6640750, 9961125, 19922250]

約数ペア:

[(1, 19922250), (2, 9961125), (3, 6640750), (5, 3984450), (6, 3320375), (10, 1992225), (15, 1328150), (25, 796890), (30, 664075), (50, 398445), (75, 265630), (101, 197250), (125, 159378), (150, 132815), (202, 98625), (250, 79689), (263, 75750), (303, 65750), (375, 53126), (505, 39450), (526, 37875), (606, 32875), (750, 26563), (789, 25250), (1010, 19725), (1315, 15150), (1515, 13150), (1578, 12625), (2525, 7890), (2630, 7575), (3030, 6575), (3945, 5050)]