19376991

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{1423}}^1$

素因数の和:1535

約数の個数: 24

約数和(自身を含む): 29989440

約数和(自身を除く): 10612449

約数列:

[1, 3, 9, 17, 51, 89, 153, 267, 801, 1423, 1513, 4269, 4539, 12807, 13617, 24191, 72573, 126647, 217719, 379941, 1139823, 2152999, 6458997, 19376991]

約数ペア:

[(1, 19376991), (3, 6458997), (9, 2152999), (17, 1139823), (51, 379941), (89, 217719), (153, 126647), (267, 72573), (801, 24191), (1423, 13617), (1513, 12807), (4269, 4539)]