1618378002020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{327606883}}^1$

素因数の和:327606924

約数の個数: 48

約数和(自身を含む): 3852656955840

約数和(自身を除く): 2234278953820

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 327606883, 655213766, 1310427532, 1638034415, 3276068830, 4258889479, 6224530777, 6552137660, 8517778958, 12449061554, 17035557916, 21294447395, 24898123108, 31122653885, 42588894790, 62245307770, 80918900101, 85177789580, 124490615540, 161837800202, 323675600404, 404594500505, 809189001010, 1618378002020]

約数ペア:

[(1, 1618378002020), (2, 809189001010), (4, 404594500505), (5, 323675600404), (10, 161837800202), (13, 124490615540), (19, 85177789580), (20, 80918900101), (26, 62245307770), (38, 42588894790), (52, 31122653885), (65, 24898123108), (76, 21294447395), (95, 17035557916), (130, 12449061554), (190, 8517778958), (247, 6552137660), (260, 6224530777), (380, 4258889479), (494, 3276068830), (988, 1638034415), (1235, 1310427532), (2470, 655213766), (4940, 327606883)]