18983820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{7717}}^1$

素因数の和:7770

約数の個数: 48

約数和(自身を含む): 54458208

約数和(自身を除く): 35474388

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 41, 60, 82, 123, 164, 205, 246, 410, 492, 615, 820, 1230, 2460, 7717, 15434, 23151, 30868, 38585, 46302, 77170, 92604, 115755, 154340, 231510, 316397, 463020, 632794, 949191, 1265588, 1581985, 1898382, 3163970, 3796764, 4745955, 6327940, 9491910, 18983820]

約数ペア:

[(1, 18983820), (2, 9491910), (3, 6327940), (4, 4745955), (5, 3796764), (6, 3163970), (10, 1898382), (12, 1581985), (15, 1265588), (20, 949191), (30, 632794), (41, 463020), (60, 316397), (82, 231510), (123, 154340), (164, 115755), (205, 92604), (246, 77170), (410, 46302), (492, 38585), (615, 30868), (820, 23151), (1230, 15434), (2460, 7717)]