18797935

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{491}}^1$

素因数の和:559

約数の個数: 32

約数和(自身を含む): 26449920

約数和(自身を除く): 7651985

約数列:

[1, 5, 13, 19, 31, 65, 95, 155, 247, 403, 491, 589, 1235, 2015, 2455, 2945, 6383, 7657, 9329, 15221, 31915, 38285, 46645, 76105, 121277, 197873, 289199, 606385, 989365, 1445995, 3759587, 18797935]

約数ペア:

[(1, 18797935), (5, 3759587), (13, 1445995), (19, 989365), (31, 606385), (65, 289199), (95, 197873), (155, 121277), (247, 76105), (403, 46645), (491, 38285), (589, 31915), (1235, 15221), (2015, 9329), (2455, 7657), (2945, 6383)]