19951557122

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{271}}^1\times {\mathrm{313}}^1\times {\mathrm{317}}^1$

素因数の和:963

約数の個数: 64

約数和(自身を含む): 35199028224

約数和(自身を除く): 15247471102

約数列:

[1, 2, 7, 14, 53, 106, 271, 313, 317, 371, 542, 626, 634, 742, 1897, 2191, 2219, 3794, 4382, 4438, 14363, 16589, 16801, 28726, 33178, 33602, 84823, 85907, 99221, 100541, 116123, 117607, 169646, 171814, 198442, 201082, 232246, 235214, 593761, 601349, 694547, 1187522, 1202698, 1389094, 4495619, 4553071, 5258713, 8991238, 9106142, 10517426, 26888891, 31469333, 31871497, 36810991, 53777782, 62938666, 63742994, 73621982, 188222237, 376444474, 1425111223, 2850222446, 9975778561, 19951557122]

約数ペア:

[(1, 19951557122), (2, 9975778561), (7, 2850222446), (14, 1425111223), (53, 376444474), (106, 188222237), (271, 73621982), (313, 63742994), (317, 62938666), (371, 53777782), (542, 36810991), (626, 31871497), (634, 31469333), (742, 26888891), (1897, 10517426), (2191, 9106142), (2219, 8991238), (3794, 5258713), (4382, 4553071), (4438, 4495619), (14363, 1389094), (16589, 1202698), (16801, 1187522), (28726, 694547), (33178, 601349), (33602, 593761), (84823, 235214), (85907, 232246), (99221, 201082), (100541, 198442), (116123, 171814), (117607, 169646)]