18723950

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{877}}^1$

素因数の和:957

約数の個数: 48

約数和(自身を含む): 40500384

約数和(自身を除く): 21776434

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 61, 70, 122, 175, 305, 350, 427, 610, 854, 877, 1525, 1754, 2135, 3050, 4270, 4385, 6139, 8770, 10675, 12278, 21350, 21925, 30695, 43850, 53497, 61390, 106994, 153475, 267485, 306950, 374479, 534970, 748958, 1337425, 1872395, 2674850, 3744790, 9361975, 18723950]

約数ペア:

[(1, 18723950), (2, 9361975), (5, 3744790), (7, 2674850), (10, 1872395), (14, 1337425), (25, 748958), (35, 534970), (50, 374479), (61, 306950), (70, 267485), (122, 153475), (175, 106994), (305, 61390), (350, 53497), (427, 43850), (610, 30695), (854, 21925), (877, 21350), (1525, 12278), (1754, 10675), (2135, 8770), (3050, 6139), (4270, 4385)]