18774508

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1$

素因数の和:214

約数の個数: 48

約数和(自身を含む): 36288000

約数和(自身を除く): 17513492

約数列:

[1, 2, 4, 19, 38, 53, 59, 76, 79, 106, 118, 158, 212, 236, 316, 1007, 1121, 1501, 2014, 2242, 3002, 3127, 4028, 4187, 4484, 4661, 6004, 6254, 8374, 9322, 12508, 16748, 18644, 59413, 79553, 88559, 118826, 159106, 177118, 237652, 247033, 318212, 354236, 494066, 988132, 4693627, 9387254, 18774508]

約数ペア:

[(1, 18774508), (2, 9387254), (4, 4693627), (19, 988132), (38, 494066), (53, 354236), (59, 318212), (76, 247033), (79, 237652), (106, 177118), (118, 159106), (158, 118826), (212, 88559), (236, 79553), (316, 59413), (1007, 18644), (1121, 16748), (1501, 12508), (2014, 9322), (2242, 8374), (3002, 6254), (3127, 6004), (4028, 4661), (4187, 4484)]