18442790

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{691}}^1$

素因数の和:872

約数の個数: 32

約数和(自身を含む): 35424864

約数和(自身を除く): 16982074

約数列:

[1, 2, 5, 10, 17, 34, 85, 157, 170, 314, 691, 785, 1382, 1570, 2669, 3455, 5338, 6910, 11747, 13345, 23494, 26690, 58735, 108487, 117470, 216974, 542435, 1084870, 1844279, 3688558, 9221395, 18442790]

約数ペア:

[(1, 18442790), (2, 9221395), (5, 3688558), (10, 1844279), (17, 1084870), (34, 542435), (85, 216974), (157, 117470), (170, 108487), (314, 58735), (691, 26690), (785, 23494), (1382, 13345), (1570, 11747), (2669, 6910), (3455, 5338)]