19908692

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{139}}^1\times {\mathrm{587}}^1$

素因数の和:791

約数の個数: 24

約数和(自身を含む): 35726880

約数和(自身を除く): 15818188

約数列:

[1, 2, 4, 61, 122, 139, 244, 278, 556, 587, 1174, 2348, 8479, 16958, 33916, 35807, 71614, 81593, 143228, 163186, 326372, 4977173, 9954346, 19908692]

約数ペア:

[(1, 19908692), (2, 9954346), (4, 4977173), (61, 326372), (122, 163186), (139, 143228), (244, 81593), (278, 71614), (556, 35807), (587, 33916), (1174, 16958), (2348, 8479)]