18489736

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{1181}}^1$

素因数の和:1309

約数の個数: 32

約数和(自身を含む): 36878400

約数和(自身を除く): 18388664

約数列:

[1, 2, 4, 8, 19, 38, 76, 103, 152, 206, 412, 824, 1181, 1957, 2362, 3914, 4724, 7828, 9448, 15656, 22439, 44878, 89756, 121643, 179512, 243286, 486572, 973144, 2311217, 4622434, 9244868, 18489736]

約数ペア:

[(1, 18489736), (2, 9244868), (4, 4622434), (8, 2311217), (19, 973144), (38, 486572), (76, 243286), (103, 179512), (152, 121643), (206, 89756), (412, 44878), (824, 22439), (1181, 15656), (1957, 9448), (2362, 7828), (3914, 4724)]