18683650

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{277}}^1$

素因数の和:379

約数の個数: 48

約数和(自身を含む): 37229760

約数和(自身を除く): 18546110

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 71, 95, 142, 190, 277, 355, 475, 554, 710, 950, 1349, 1385, 1775, 2698, 2770, 3550, 5263, 6745, 6925, 10526, 13490, 13850, 19667, 26315, 33725, 39334, 52630, 67450, 98335, 131575, 196670, 263150, 373673, 491675, 747346, 983350, 1868365, 3736730, 9341825, 18683650]

約数ペア:

[(1, 18683650), (2, 9341825), (5, 3736730), (10, 1868365), (19, 983350), (25, 747346), (38, 491675), (50, 373673), (71, 263150), (95, 196670), (142, 131575), (190, 98335), (277, 67450), (355, 52630), (475, 39334), (554, 33725), (710, 26315), (950, 19667), (1349, 13850), (1385, 13490), (1775, 10526), (2698, 6925), (2770, 6745), (3550, 5263)]