18416236

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{89}}^1\times {\mathrm{179}}^1$

素因数の和:306

約数の個数: 36

約数和(自身を含む): 34813800

約数和(自身を除く): 16397564

約数列:

[1, 2, 4, 17, 34, 68, 89, 178, 179, 289, 356, 358, 578, 716, 1156, 1513, 3026, 3043, 6052, 6086, 12172, 15931, 25721, 31862, 51442, 51731, 63724, 102884, 103462, 206924, 270827, 541654, 1083308, 4604059, 9208118, 18416236]

約数ペア:

[(1, 18416236), (2, 9208118), (4, 4604059), (17, 1083308), (34, 541654), (68, 270827), (89, 206924), (178, 103462), (179, 102884), (289, 63724), (356, 51731), (358, 51442), (578, 31862), (716, 25721), (1156, 15931), (1513, 12172), (3026, 6086), (3043, 6052)]