19895872667

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{2239}}^1$

素因数の和:2388

約数の個数: 64

約数和(自身を含む): 25198387200

約数和(自身を除く): 5302514533

約数列:

[1, 11, 17, 19, 41, 61, 187, 209, 323, 451, 671, 697, 779, 1037, 1159, 2239, 2501, 3553, 7667, 8569, 11407, 12749, 13243, 19703, 24629, 27511, 38063, 42517, 42541, 47519, 91799, 136579, 145673, 216733, 418693, 467687, 467951, 522709, 723197, 807823, 1009789, 1502369, 1560583, 1744181, 2321843, 2595001, 5599739, 7955167, 8886053, 17166413, 19185991, 25540273, 28545011, 29651077, 44115017, 61597129, 95195563, 106395041, 326161847, 485265187, 1047151193, 1170345451, 1808715697, 19895872667]

約数ペア:

[(1, 19895872667), (11, 1808715697), (17, 1170345451), (19, 1047151193), (41, 485265187), (61, 326161847), (187, 106395041), (209, 95195563), (323, 61597129), (451, 44115017), (671, 29651077), (697, 28545011), (779, 25540273), (1037, 19185991), (1159, 17166413), (2239, 8886053), (2501, 7955167), (3553, 5599739), (7667, 2595001), (8569, 2321843), (11407, 1744181), (12749, 1560583), (13243, 1502369), (19703, 1009789), (24629, 807823), (27511, 723197), (38063, 522709), (42517, 467951), (42541, 467687), (47519, 418693), (91799, 216733), (136579, 145673)]