18199580

素因数分解:

$2^2\times 5^1\times 7^4\times {\mathrm{379}}^1$

素因数の和:416

約数の個数: 60

約数和(自身を含む): 44703960

約数和(自身を除く): 26504380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 379, 490, 686, 758, 980, 1372, 1516, 1715, 1895, 2401, 2653, 3430, 3790, 4802, 5306, 6860, 7580, 9604, 10612, 12005, 13265, 18571, 24010, 26530, 37142, 48020, 53060, 74284, 92855, 129997, 185710, 259994, 371420, 519988, 649985, 909979, 1299970, 1819958, 2599940, 3639916, 4549895, 9099790, 18199580]

約数ペア:

[(1, 18199580), (2, 9099790), (4, 4549895), (5, 3639916), (7, 2599940), (10, 1819958), (14, 1299970), (20, 909979), (28, 649985), (35, 519988), (49, 371420), (70, 259994), (98, 185710), (140, 129997), (196, 92855), (245, 74284), (343, 53060), (379, 48020), (490, 37142), (686, 26530), (758, 24010), (980, 18571), (1372, 13265), (1516, 12005), (1715, 10612), (1895, 9604), (2401, 7580), (2653, 6860), (3430, 5306), (3790, 4802)]