19938848

素因数分解:

$2^5\times {\mathrm{89}}^1\times {\mathrm{7001}}^1$

素因数の和:7100

約数の個数: 24

約数和(自身を含む): 39701340

約数和(自身を除く): 19762492

約数列:

[1, 2, 4, 8, 16, 32, 89, 178, 356, 712, 1424, 2848, 7001, 14002, 28004, 56008, 112016, 224032, 623089, 1246178, 2492356, 4984712, 9969424, 19938848]

約数ペア:

[(1, 19938848), (2, 9969424), (4, 4984712), (8, 2492356), (16, 1246178), (32, 623089), (89, 224032), (178, 112016), (356, 56008), (712, 28004), (1424, 14002), (2848, 7001)]