18459660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{103}}^2$

素因数の和:247

約数の個数: 72

約数和(自身を含む): 53993520

約数和(自身を除く): 35533860

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 58, 60, 87, 103, 116, 145, 174, 206, 290, 309, 348, 412, 435, 515, 580, 618, 870, 1030, 1236, 1545, 1740, 2060, 2987, 3090, 5974, 6180, 8961, 10609, 11948, 14935, 17922, 21218, 29870, 31827, 35844, 42436, 44805, 53045, 59740, 63654, 89610, 106090, 127308, 159135, 179220, 212180, 307661, 318270, 615322, 636540, 922983, 1230644, 1538305, 1845966, 3076610, 3691932, 4614915, 6153220, 9229830, 18459660]

約数ペア:

[(1, 18459660), (2, 9229830), (3, 6153220), (4, 4614915), (5, 3691932), (6, 3076610), (10, 1845966), (12, 1538305), (15, 1230644), (20, 922983), (29, 636540), (30, 615322), (58, 318270), (60, 307661), (87, 212180), (103, 179220), (116, 159135), (145, 127308), (174, 106090), (206, 89610), (290, 63654), (309, 59740), (348, 53045), (412, 44805), (435, 42436), (515, 35844), (580, 31827), (618, 29870), (870, 21218), (1030, 17922), (1236, 14935), (1545, 11948), (1740, 10609), (2060, 8961), (2987, 6180), (3090, 5974)]