18981196020

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{35150363}}^1$

素因数の和:35150381

約数の個数: 48

約数和(自身を含む): 59052611520

約数和(自身を除く): 40071415500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 35150363, 70300726, 105451089, 140601452, 175751815, 210902178, 316353267, 351503630, 421804356, 527255445, 632706534, 703007260, 949059801, 1054510890, 1265413068, 1581766335, 1898119602, 2109021780, 3163532670, 3796239204, 4745299005, 6327065340, 9490598010, 18981196020]

約数ペア:

[(1, 18981196020), (2, 9490598010), (3, 6327065340), (4, 4745299005), (5, 3796239204), (6, 3163532670), (9, 2109021780), (10, 1898119602), (12, 1581766335), (15, 1265413068), (18, 1054510890), (20, 949059801), (27, 703007260), (30, 632706534), (36, 527255445), (45, 421804356), (54, 351503630), (60, 316353267), (90, 210902178), (108, 175751815), (135, 140601452), (180, 105451089), (270, 70300726), (540, 35150363)]