19986770

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{1297}}^1$

素因数の和:1394

約数の個数: 32

約数和(自身を含む): 38130048

約数和(自身を除く): 18143278

約数列:

[1, 2, 5, 10, 23, 46, 67, 115, 134, 230, 335, 670, 1297, 1541, 2594, 3082, 6485, 7705, 12970, 15410, 29831, 59662, 86899, 149155, 173798, 298310, 434495, 868990, 1998677, 3997354, 9993385, 19986770]

約数ペア:

[(1, 19986770), (2, 9993385), (5, 3997354), (10, 1998677), (23, 868990), (46, 434495), (67, 298310), (115, 173798), (134, 149155), (230, 86899), (335, 59662), (670, 29831), (1297, 15410), (1541, 12970), (2594, 7705), (3082, 6485)]