19500016

素因数分解:

$2^4\times {\mathrm{163}}^1\times {\mathrm{7477}}^1$

素因数の和:7648

約数の個数: 20

約数和(自身を含む): 38018152

約数和(自身を除く): 18518136

約数列:

[1, 2, 4, 8, 16, 163, 326, 652, 1304, 2608, 7477, 14954, 29908, 59816, 119632, 1218751, 2437502, 4875004, 9750008, 19500016]

約数ペア:

[(1, 19500016), (2, 9750008), (4, 4875004), (8, 2437502), (16, 1218751), (163, 119632), (326, 59816), (652, 29908), (1304, 14954), (2608, 7477)]