18946020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{13729}}^1$

素因数の和:13764

約数の個数: 48

約数和(自身を含む): 55359360

約数和(自身を除く): 36413340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1380, 13729, 27458, 41187, 54916, 68645, 82374, 137290, 164748, 205935, 274580, 315767, 411870, 631534, 823740, 947301, 1263068, 1578835, 1894602, 3157670, 3789204, 4736505, 6315340, 9473010, 18946020]

約数ペア:

[(1, 18946020), (2, 9473010), (3, 6315340), (4, 4736505), (5, 3789204), (6, 3157670), (10, 1894602), (12, 1578835), (15, 1263068), (20, 947301), (23, 823740), (30, 631534), (46, 411870), (60, 315767), (69, 274580), (92, 205935), (115, 164748), (138, 137290), (230, 82374), (276, 68645), (345, 54916), (460, 41187), (690, 27458), (1380, 13729)]