18732518

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{70423}}^1$

素因数の和:70451

約数の個数: 16

約数和(自身を含む): 33803520

約数和(自身を除く): 15071002

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 70423, 140846, 492961, 985922, 1338037, 2676074, 9366259, 18732518]

約数ペア:

[(1, 18732518), (2, 9366259), (7, 2676074), (14, 1338037), (19, 985922), (38, 492961), (133, 140846), (266, 70423)]