18793850

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{271}}^1$

素因数の和:375

約数の個数: 48

約数和(自身を含む): 37438080

約数和(自身を除く): 18644230

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 73, 95, 146, 190, 271, 365, 475, 542, 730, 950, 1355, 1387, 1825, 2710, 2774, 3650, 5149, 6775, 6935, 10298, 13550, 13870, 19783, 25745, 34675, 39566, 51490, 69350, 98915, 128725, 197830, 257450, 375877, 494575, 751754, 989150, 1879385, 3758770, 9396925, 18793850]

約数ペア:

[(1, 18793850), (2, 9396925), (5, 3758770), (10, 1879385), (19, 989150), (25, 751754), (38, 494575), (50, 375877), (73, 257450), (95, 197830), (146, 128725), (190, 98915), (271, 69350), (365, 51490), (475, 39566), (542, 34675), (730, 25745), (950, 19783), (1355, 13870), (1387, 13550), (1825, 10298), (2710, 6935), (2774, 6775), (3650, 5149)]