19618149

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:225

約数の個数: 32

約数和(自身を含む): 28569600

約数和(自身を除く): 8951451

約数列:

[1, 3, 23, 59, 61, 69, 79, 177, 183, 237, 1357, 1403, 1817, 3599, 4071, 4209, 4661, 4819, 5451, 10797, 13983, 14457, 82777, 107203, 110837, 248331, 284321, 321609, 332511, 852963, 6539383, 19618149]

約数ペア:

[(1, 19618149), (3, 6539383), (23, 852963), (59, 332511), (61, 321609), (69, 284321), (79, 248331), (177, 110837), (183, 107203), (237, 82777), (1357, 14457), (1403, 13983), (1817, 10797), (3599, 5451), (4071, 4819), (4209, 4661)]