18396090

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{8887}}^1$

素因数の和:8923

約数の個数: 48

約数和(自身を含む): 49915008

約数和(自身を除く): 31518918

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 30, 45, 46, 69, 90, 115, 138, 207, 230, 345, 414, 690, 1035, 2070, 8887, 17774, 26661, 44435, 53322, 79983, 88870, 133305, 159966, 204401, 266610, 399915, 408802, 613203, 799830, 1022005, 1226406, 1839609, 2044010, 3066015, 3679218, 6132030, 9198045, 18396090]

約数ペア:

[(1, 18396090), (2, 9198045), (3, 6132030), (5, 3679218), (6, 3066015), (9, 2044010), (10, 1839609), (15, 1226406), (18, 1022005), (23, 799830), (30, 613203), (45, 408802), (46, 399915), (69, 266610), (90, 204401), (115, 159966), (138, 133305), (207, 88870), (230, 79983), (345, 53322), (414, 44435), (690, 26661), (1035, 17774), (2070, 8887)]