18273970

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{983}}^1$

素因数の和:1027

約数の個数: 48

約数和(自身を含む): 38895552

約数和(自身を除く): 20621582

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 169, 286, 338, 715, 845, 983, 1430, 1690, 1859, 1966, 3718, 4915, 9295, 9830, 10813, 12779, 18590, 21626, 25558, 54065, 63895, 108130, 127790, 140569, 166127, 281138, 332254, 702845, 830635, 1405690, 1661270, 1827397, 3654794, 9136985, 18273970]

約数ペア:

[(1, 18273970), (2, 9136985), (5, 3654794), (10, 1827397), (11, 1661270), (13, 1405690), (22, 830635), (26, 702845), (55, 332254), (65, 281138), (110, 166127), (130, 140569), (143, 127790), (169, 108130), (286, 63895), (338, 54065), (715, 25558), (845, 21626), (983, 18590), (1430, 12779), (1690, 10813), (1859, 9830), (1966, 9295), (3718, 4915)]