20182209

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1$

素因数の和:221

約数の個数: 32

約数和(自身を含む): 29245440

約数和(自身を除く): 9063231

約数列:

[1, 3, 31, 41, 67, 79, 93, 123, 201, 237, 1271, 2077, 2449, 2747, 3239, 3813, 5293, 6231, 7347, 8241, 9717, 15879, 85157, 100409, 164083, 217013, 255471, 301227, 492249, 651039, 6727403, 20182209]

約数ペア:

[(1, 20182209), (3, 6727403), (31, 651039), (41, 492249), (67, 301227), (79, 255471), (93, 217013), (123, 164083), (201, 100409), (237, 85157), (1271, 15879), (2077, 9717), (2449, 8241), (2747, 7347), (3239, 6231), (3813, 5293)]