20181522471

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{1423}}^1\times {\mathrm{3137}}^1$

素因数の和:4711

約数の個数: 32

約数和(自身を含む): 29599423488

約数和(自身を除く): 9417901017

約数列:

[1, 3, 11, 33, 137, 411, 1423, 1507, 3137, 4269, 4521, 9411, 15653, 34507, 46959, 103521, 194951, 429769, 584853, 1289307, 2144461, 4463951, 4727459, 6433383, 13391853, 14182377, 49103461, 147310383, 611561287, 1834683861, 6727174157, 20181522471]

約数ペア:

[(1, 20181522471), (3, 6727174157), (11, 1834683861), (33, 611561287), (137, 147310383), (411, 49103461), (1423, 14182377), (1507, 13391853), (3137, 6433383), (4269, 4727459), (4521, 4463951), (9411, 2144461), (15653, 1289307), (34507, 584853), (46959, 429769), (103521, 194951)]