18597070

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{709}}^1$

素因数の和:820

約数の個数: 32

約数和(自身を含む): 34863840

約数和(自身を除く): 16266770

約数列:

[1, 2, 5, 10, 43, 61, 86, 122, 215, 305, 430, 610, 709, 1418, 2623, 3545, 5246, 7090, 13115, 26230, 30487, 43249, 60974, 86498, 152435, 216245, 304870, 432490, 1859707, 3719414, 9298535, 18597070]

約数ペア:

[(1, 18597070), (2, 9298535), (5, 3719414), (10, 1859707), (43, 432490), (61, 304870), (86, 216245), (122, 152435), (215, 86498), (305, 60974), (430, 43249), (610, 30487), (709, 26230), (1418, 13115), (2623, 7090), (3545, 5246)]