18931490

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{673}}^1$

素因数の和:806

約数の個数: 32

約数和(自身を含む): 35668080

約数和(自身を除く): 16736590

約数列:

[1, 2, 5, 10, 29, 58, 97, 145, 194, 290, 485, 673, 970, 1346, 2813, 3365, 5626, 6730, 14065, 19517, 28130, 39034, 65281, 97585, 130562, 195170, 326405, 652810, 1893149, 3786298, 9465745, 18931490]

約数ペア:

[(1, 18931490), (2, 9465745), (5, 3786298), (10, 1893149), (29, 652810), (58, 326405), (97, 195170), (145, 130562), (194, 97585), (290, 65281), (485, 39034), (673, 28130), (970, 19517), (1346, 14065), (2813, 6730), (3365, 5626)]