18580780

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1303}}^1$

素因数の和:1366

約数の個数: 48

約数和(自身を含む): 42061824

約数和(自身を除く): 23481044

約数列:

[1, 2, 4, 5, 10, 20, 23, 31, 46, 62, 92, 115, 124, 155, 230, 310, 460, 620, 713, 1303, 1426, 2606, 2852, 3565, 5212, 6515, 7130, 13030, 14260, 26060, 29969, 40393, 59938, 80786, 119876, 149845, 161572, 201965, 299690, 403930, 599380, 807860, 929039, 1858078, 3716156, 4645195, 9290390, 18580780]

約数ペア:

[(1, 18580780), (2, 9290390), (4, 4645195), (5, 3716156), (10, 1858078), (20, 929039), (23, 807860), (31, 599380), (46, 403930), (62, 299690), (92, 201965), (115, 161572), (124, 149845), (155, 119876), (230, 80786), (310, 59938), (460, 40393), (620, 29969), (713, 26060), (1303, 14260), (1426, 13030), (2606, 7130), (2852, 6515), (3565, 5212)]