18697605

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{811}}^1$

素因数の和:901

約数の個数: 32

約数和(自身を含む): 31570560

約数和(自身を除く): 12872955

約数列:

[1, 3, 5, 15, 29, 53, 87, 145, 159, 265, 435, 795, 811, 1537, 2433, 4055, 4611, 7685, 12165, 23055, 23519, 42983, 70557, 117595, 128949, 214915, 352785, 644745, 1246507, 3739521, 6232535, 18697605]

約数ペア:

[(1, 18697605), (3, 6232535), (5, 3739521), (15, 1246507), (29, 644745), (53, 352785), (87, 214915), (145, 128949), (159, 117595), (265, 70557), (435, 42983), (795, 23519), (811, 23055), (1537, 12165), (2433, 7685), (4055, 4611)]