18217232

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{1163}}^1$

素因数の和:1271

約数の個数: 40

約数和(自身を含む): 38970720

約数和(自身を除く): 20753488

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 89, 176, 178, 356, 712, 979, 1163, 1424, 1958, 2326, 3916, 4652, 7832, 9304, 12793, 15664, 18608, 25586, 51172, 102344, 103507, 204688, 207014, 414028, 828056, 1138577, 1656112, 2277154, 4554308, 9108616, 18217232]

約数ペア:

[(1, 18217232), (2, 9108616), (4, 4554308), (8, 2277154), (11, 1656112), (16, 1138577), (22, 828056), (44, 414028), (88, 207014), (89, 204688), (176, 103507), (178, 102344), (356, 51172), (712, 25586), (979, 18608), (1163, 15664), (1424, 12793), (1958, 9304), (2326, 7832), (3916, 4652)]