18419724

素因数分解:

$2^2\times 3^4\times {\mathrm{139}}^1\times {\mathrm{409}}^1$

素因数の和:564

約数の個数: 60

約数和(自身を含む): 48617800

約数和(自身を除く): 30198076

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 139, 162, 278, 324, 409, 417, 556, 818, 834, 1227, 1251, 1636, 1668, 2454, 2502, 3681, 3753, 4908, 5004, 7362, 7506, 11043, 11259, 14724, 15012, 22086, 22518, 33129, 44172, 45036, 56851, 66258, 113702, 132516, 170553, 227404, 341106, 511659, 682212, 1023318, 1534977, 2046636, 3069954, 4604931, 6139908, 9209862, 18419724]

約数ペア:

[(1, 18419724), (2, 9209862), (3, 6139908), (4, 4604931), (6, 3069954), (9, 2046636), (12, 1534977), (18, 1023318), (27, 682212), (36, 511659), (54, 341106), (81, 227404), (108, 170553), (139, 132516), (162, 113702), (278, 66258), (324, 56851), (409, 45036), (417, 44172), (556, 33129), (818, 22518), (834, 22086), (1227, 15012), (1251, 14724), (1636, 11259), (1668, 11043), (2454, 7506), (2502, 7362), (3681, 5004), (3753, 4908)]