18946456

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{241}}^1\times {\mathrm{317}}^1$

素因数の和:595

約数の個数: 32

約数和(自身を含む): 36938880

約数和(自身を除く): 17992424

約数列:

[1, 2, 4, 8, 31, 62, 124, 241, 248, 317, 482, 634, 964, 1268, 1928, 2536, 7471, 9827, 14942, 19654, 29884, 39308, 59768, 76397, 78616, 152794, 305588, 611176, 2368307, 4736614, 9473228, 18946456]

約数ペア:

[(1, 18946456), (2, 9473228), (4, 4736614), (8, 2368307), (31, 611176), (62, 305588), (124, 152794), (241, 78616), (248, 76397), (317, 59768), (482, 39308), (634, 29884), (964, 19654), (1268, 14942), (1928, 9827), (2536, 7471)]