18848820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{317}}^1\times {\mathrm{991}}^1$

素因数の和:1320

約数の個数: 48

約数和(自身を含む): 52996608

約数和(自身を除く): 34147788

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 317, 634, 951, 991, 1268, 1585, 1902, 1982, 2973, 3170, 3804, 3964, 4755, 4955, 5946, 6340, 9510, 9910, 11892, 14865, 19020, 19820, 29730, 59460, 314147, 628294, 942441, 1256588, 1570735, 1884882, 3141470, 3769764, 4712205, 6282940, 9424410, 18848820]

約数ペア:

[(1, 18848820), (2, 9424410), (3, 6282940), (4, 4712205), (5, 3769764), (6, 3141470), (10, 1884882), (12, 1570735), (15, 1256588), (20, 942441), (30, 628294), (60, 314147), (317, 59460), (634, 29730), (951, 19820), (991, 19020), (1268, 14865), (1585, 11892), (1902, 9910), (1982, 9510), (2973, 6340), (3170, 5946), (3804, 4955), (3964, 4755)]