18521220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{467}}^1\times {\mathrm{661}}^1$

素因数の和:1140

約数の個数: 48

約数和(自身を含む): 52049088

約数和(自身を除く): 33527868

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 467, 661, 934, 1322, 1401, 1868, 1983, 2335, 2644, 2802, 3305, 3966, 4670, 5604, 6610, 7005, 7932, 9340, 9915, 13220, 14010, 19830, 28020, 39660, 308687, 617374, 926061, 1234748, 1543435, 1852122, 3086870, 3704244, 4630305, 6173740, 9260610, 18521220]

約数ペア:

[(1, 18521220), (2, 9260610), (3, 6173740), (4, 4630305), (5, 3704244), (6, 3086870), (10, 1852122), (12, 1543435), (15, 1234748), (20, 926061), (30, 617374), (60, 308687), (467, 39660), (661, 28020), (934, 19830), (1322, 14010), (1401, 13220), (1868, 9915), (1983, 9340), (2335, 7932), (2644, 7005), (2802, 6610), (3305, 5604), (3966, 4670)]