18280639937

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{389}}^1\times {\mathrm{3623}}^1$

素因数の和:4145

約数の個数: 32

約数和(自身を含む): 22387622400

約数和(自身を除く): 4106982463

約数列:

[1, 7, 17, 109, 119, 389, 763, 1853, 2723, 3623, 6613, 12971, 25361, 42401, 46291, 61591, 296807, 394907, 431137, 720817, 1409347, 2764349, 5045719, 6713419, 9865429, 23958899, 46993933, 153618823, 167712293, 1075331761, 2611519991, 18280639937]

約数ペア:

[(1, 18280639937), (7, 2611519991), (17, 1075331761), (109, 167712293), (119, 153618823), (389, 46993933), (763, 23958899), (1853, 9865429), (2723, 6713419), (3623, 5045719), (6613, 2764349), (12971, 1409347), (25361, 720817), (42401, 431137), (46291, 394907), (61591, 296807)]