18649850

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{593}}^1$

素因数の和:659

約数の個数: 48

約数和(自身を含む): 37785528

約数和(自身を除く): 19135678

約数列:

[1, 2, 5, 10, 17, 25, 34, 37, 50, 74, 85, 170, 185, 370, 425, 593, 629, 850, 925, 1186, 1258, 1850, 2965, 3145, 5930, 6290, 10081, 14825, 15725, 20162, 21941, 29650, 31450, 43882, 50405, 100810, 109705, 219410, 252025, 372997, 504050, 548525, 745994, 1097050, 1864985, 3729970, 9324925, 18649850]

約数ペア:

[(1, 18649850), (2, 9324925), (5, 3729970), (10, 1864985), (17, 1097050), (25, 745994), (34, 548525), (37, 504050), (50, 372997), (74, 252025), (85, 219410), (170, 109705), (185, 100810), (370, 50405), (425, 43882), (593, 31450), (629, 29650), (850, 21941), (925, 20162), (1186, 15725), (1258, 14825), (1850, 10081), (2965, 6290), (3145, 5930)]