19211798522

素因数分解:

$2^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{401}}^1\times {\mathrm{24979}}^1$

素因数の和:25526

約数の個数: 32

約数和(自身を含む): 33258971520

約数和(自身を除く): 14047172998

約数列:

[1, 2, 7, 14, 137, 274, 401, 802, 959, 1918, 2807, 5614, 24979, 49958, 54937, 109874, 174853, 349706, 384559, 769118, 3422123, 6844246, 10016579, 20033158, 23954861, 47909722, 70116053, 140232106, 1372271323, 2744542646, 9605899261, 19211798522]

約数ペア:

[(1, 19211798522), (2, 9605899261), (7, 2744542646), (14, 1372271323), (137, 140232106), (274, 70116053), (401, 47909722), (802, 23954861), (959, 20033158), (1918, 10016579), (2807, 6844246), (5614, 3422123), (24979, 769118), (49958, 384559), (54937, 349706), (109874, 174853)]