18863485

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{167}}^1$

素因数の和:261

約数の個数: 32

約数和(自身を含む): 25401600

約数和(自身を除く): 6538115

約数列:

[1, 5, 19, 29, 41, 95, 145, 167, 205, 551, 779, 835, 1189, 2755, 3173, 3895, 4843, 5945, 6847, 15865, 22591, 24215, 34235, 92017, 112955, 130093, 198563, 460085, 650465, 992815, 3772697, 18863485]

約数ペア:

[(1, 18863485), (5, 3772697), (19, 992815), (29, 650465), (41, 460085), (95, 198563), (145, 130093), (167, 112955), (205, 92017), (551, 34235), (779, 24215), (835, 22591), (1189, 15865), (2755, 6847), (3173, 5945), (3895, 4843)]