18425990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{7283}}^1$

素因数の和:7324

約数の個数: 32

約数和(自身を含む): 37760256

約数和(自身を除く): 19334266

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 230, 253, 506, 1265, 2530, 7283, 14566, 36415, 72830, 80113, 160226, 167509, 335018, 400565, 801130, 837545, 1675090, 1842599, 3685198, 9212995, 18425990]

約数ペア:

[(1, 18425990), (2, 9212995), (5, 3685198), (10, 1842599), (11, 1675090), (22, 837545), (23, 801130), (46, 400565), (55, 335018), (110, 167509), (115, 160226), (230, 80113), (253, 72830), (506, 36415), (1265, 14566), (2530, 7283)]