19784950

素因数分解:

$2^1\times 5^2\times {\mathrm{269}}^1\times {\mathrm{1471}}^1$

素因数の和:1752

約数の個数: 24

約数和(自身を含む): 36961920

約数和(自身を除く): 17176970

約数列:

[1, 2, 5, 10, 25, 50, 269, 538, 1345, 1471, 2690, 2942, 6725, 7355, 13450, 14710, 36775, 73550, 395699, 791398, 1978495, 3956990, 9892475, 19784950]

約数ペア:

[(1, 19784950), (2, 9892475), (5, 3956990), (10, 1978495), (25, 791398), (50, 395699), (269, 73550), (538, 36775), (1345, 14710), (1471, 13450), (2690, 7355), (2942, 6725)]