19199988

素因数分解:

$2^2\times 3^2\times {\mathrm{241}}^1\times {\mathrm{2213}}^1$

素因数の和:2464

約数の個数: 36

約数和(自身を含む): 48756708

約数和(自身を除く): 29556720

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 241, 482, 723, 964, 1446, 2169, 2213, 2892, 4338, 4426, 6639, 8676, 8852, 13278, 19917, 26556, 39834, 79668, 533333, 1066666, 1599999, 2133332, 3199998, 4799997, 6399996, 9599994, 19199988]

約数ペア:

[(1, 19199988), (2, 9599994), (3, 6399996), (4, 4799997), (6, 3199998), (9, 2133332), (12, 1599999), (18, 1066666), (36, 533333), (241, 79668), (482, 39834), (723, 26556), (964, 19917), (1446, 13278), (2169, 8852), (2213, 8676), (2892, 6639), (4338, 4426)]