17698820

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{283}}^1$

素因数の和:404

約数の個数: 48

約数和(自身を含む): 38646720

約数和(自身を除く): 20947900

約数列:

[1, 2, 4, 5, 10, 20, 53, 59, 106, 118, 212, 236, 265, 283, 295, 530, 566, 590, 1060, 1132, 1180, 1415, 2830, 3127, 5660, 6254, 12508, 14999, 15635, 16697, 29998, 31270, 33394, 59996, 62540, 66788, 74995, 83485, 149990, 166970, 299980, 333940, 884941, 1769882, 3539764, 4424705, 8849410, 17698820]

約数ペア:

[(1, 17698820), (2, 8849410), (4, 4424705), (5, 3539764), (10, 1769882), (20, 884941), (53, 333940), (59, 299980), (106, 166970), (118, 149990), (212, 83485), (236, 74995), (265, 66788), (283, 62540), (295, 59996), (530, 33394), (566, 31270), (590, 29998), (1060, 16697), (1132, 15635), (1180, 14999), (1415, 12508), (2830, 6254), (3127, 5660)]