18388967902

素因数分解:

$2^1\times {\mathrm{163}}^1\times {\mathrm{1049}}^1\times {\mathrm{53773}}^1$

素因数の和:54987

約数の個数: 16

約数和(自身を含む): 27779648400

約数和(自身を除く): 9390680498

約数列:

[1, 2, 163, 326, 1049, 2098, 53773, 107546, 170987, 341974, 8764999, 17529998, 56407877, 112815754, 9194483951, 18388967902]

約数ペア:

[(1, 18388967902), (2, 9194483951), (163, 112815754), (326, 56407877), (1049, 17529998), (2098, 8764999), (53773, 341974), (107546, 170987)]