20187436502

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{397}}^1\times {\mathrm{21937}}^1$

素因数の和:22416

約数の個数: 32

約数和(自身を含む): 32480525280

約数和(自身を除く): 12293088778

約数列:

[1, 2, 19, 38, 61, 122, 397, 794, 1159, 2318, 7543, 15086, 21937, 24217, 43874, 48434, 416803, 460123, 833606, 920246, 1338157, 2676314, 8708989, 17417978, 25424983, 50849966, 165470791, 330941582, 531248329, 1062496658, 10093718251, 20187436502]

約数ペア:

[(1, 20187436502), (2, 10093718251), (19, 1062496658), (38, 531248329), (61, 330941582), (122, 165470791), (397, 50849966), (794, 25424983), (1159, 17417978), (2318, 8708989), (7543, 2676314), (15086, 1338157), (21937, 920246), (24217, 833606), (43874, 460123), (48434, 416803)]