18887060

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{743}}^1$

素因数の和:824

約数の個数: 48

約数和(自身を含む): 41997312

約数和(自身を除く): 23110252

約数列:

[1, 2, 4, 5, 10, 20, 31, 41, 62, 82, 124, 155, 164, 205, 310, 410, 620, 743, 820, 1271, 1486, 2542, 2972, 3715, 5084, 6355, 7430, 12710, 14860, 23033, 25420, 30463, 46066, 60926, 92132, 115165, 121852, 152315, 230330, 304630, 460660, 609260, 944353, 1888706, 3777412, 4721765, 9443530, 18887060]

約数ペア:

[(1, 18887060), (2, 9443530), (4, 4721765), (5, 3777412), (10, 1888706), (20, 944353), (31, 609260), (41, 460660), (62, 304630), (82, 230330), (124, 152315), (155, 121852), (164, 115165), (205, 92132), (310, 60926), (410, 46066), (620, 30463), (743, 25420), (820, 23033), (1271, 14860), (1486, 12710), (2542, 7430), (2972, 6355), (3715, 5084)]