18394760

素因数分解:

$2^3\times 5^1\times {\mathrm{577}}^1\times {\mathrm{797}}^1$

素因数の和:1385

約数の個数: 32

約数和(自身を含む): 41511960

約数和(自身を除く): 23117200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 577, 797, 1154, 1594, 2308, 2885, 3188, 3985, 4616, 5770, 6376, 7970, 11540, 15940, 23080, 31880, 459869, 919738, 1839476, 2299345, 3678952, 4598690, 9197380, 18394760]

約数ペア:

[(1, 18394760), (2, 9197380), (4, 4598690), (5, 3678952), (8, 2299345), (10, 1839476), (20, 919738), (40, 459869), (577, 31880), (797, 23080), (1154, 15940), (1594, 11540), (2308, 7970), (2885, 6376), (3188, 5770), (3985, 4616)]