18977798

素因数分解:

$2^1\times 7^2\times {\mathrm{197}}^1\times {\mathrm{983}}^1$

素因数の和:1196

約数の個数: 24

約数和(自身を含む): 33316272

約数和(自身を除く): 14338474

約数列:

[1, 2, 7, 14, 49, 98, 197, 394, 983, 1379, 1966, 2758, 6881, 9653, 13762, 19306, 48167, 96334, 193651, 387302, 1355557, 2711114, 9488899, 18977798]

約数ペア:

[(1, 18977798), (2, 9488899), (7, 2711114), (14, 1355557), (49, 387302), (98, 193651), (197, 96334), (394, 48167), (983, 19306), (1379, 13762), (1966, 9653), (2758, 6881)]