19873623

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{379}}^1$

素因数の和:627

約数の個数: 32

約数和(自身を含む): 33269760

約数和(自身を除く): 13396137

約数列:

[1, 3, 7, 11, 21, 33, 77, 227, 231, 379, 681, 1137, 1589, 2497, 2653, 4169, 4767, 7491, 7959, 12507, 17479, 29183, 52437, 86033, 87549, 258099, 602231, 946363, 1806693, 2839089, 6624541, 19873623]

約数ペア:

[(1, 19873623), (3, 6624541), (7, 2839089), (11, 1806693), (21, 946363), (33, 602231), (77, 258099), (227, 87549), (231, 86033), (379, 52437), (681, 29183), (1137, 17479), (1589, 12507), (2497, 7959), (2653, 7491), (4169, 4767)]