16119860

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{181}}^1$

素因数の和:324

約数の個数: 48

約数和(自身を含む): 35070672

約数和(自身を除く): 18950812

約数列:

[1, 2, 4, 5, 10, 20, 61, 73, 122, 146, 181, 244, 292, 305, 362, 365, 610, 724, 730, 905, 1220, 1460, 1810, 3620, 4453, 8906, 11041, 13213, 17812, 22082, 22265, 26426, 44164, 44530, 52852, 55205, 66065, 89060, 110410, 132130, 220820, 264260, 805993, 1611986, 3223972, 4029965, 8059930, 16119860]

約数ペア:

[(1, 16119860), (2, 8059930), (4, 4029965), (5, 3223972), (10, 1611986), (20, 805993), (61, 264260), (73, 220820), (122, 132130), (146, 110410), (181, 89060), (244, 66065), (292, 55205), (305, 52852), (362, 44530), (365, 44164), (610, 26426), (724, 22265), (730, 22082), (905, 17812), (1220, 13213), (1460, 11041), (1810, 8906), (3620, 4453)]