1818884620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{564871}}^1$

素因数の和:564910

約数の個数: 48

約数和(自身を含む): 4555127808

約数和(自身を除く): 2736243188

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 564871, 1129742, 2259484, 2824355, 3954097, 5648710, 7908194, 11297420, 12992033, 15816388, 19770485, 25984066, 39540970, 51968132, 64960165, 79081940, 90944231, 129920330, 181888462, 259840660, 363776924, 454721155, 909442310, 1818884620]

約数ペア:

[(1, 1818884620), (2, 909442310), (4, 454721155), (5, 363776924), (7, 259840660), (10, 181888462), (14, 129920330), (20, 90944231), (23, 79081940), (28, 64960165), (35, 51968132), (46, 39540970), (70, 25984066), (92, 19770485), (115, 15816388), (140, 12992033), (161, 11297420), (230, 7908194), (322, 5648710), (460, 3954097), (644, 2824355), (805, 2259484), (1610, 1129742), (3220, 564871)]