19501722968

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1409899}}^1$

素因数の和:1409944

約数の個数: 64

約数和(自身を含む): 47372640000

約数和(自身を除く): 27870917032

約数列:

[1, 2, 4, 7, 8, 13, 14, 19, 26, 28, 38, 52, 56, 76, 91, 104, 133, 152, 182, 247, 266, 364, 494, 532, 728, 988, 1064, 1729, 1976, 3458, 6916, 13832, 1409899, 2819798, 5639596, 9869293, 11279192, 18328687, 19738586, 26788081, 36657374, 39477172, 53576162, 73314748, 78954344, 107152324, 128300809, 146629496, 187516567, 214304648, 256601618, 348245053, 375033134, 513203236, 696490106, 750066268, 1026406472, 1392980212, 1500132536, 2437715371, 2785960424, 4875430742, 9750861484, 19501722968]

約数ペア:

[(1, 19501722968), (2, 9750861484), (4, 4875430742), (7, 2785960424), (8, 2437715371), (13, 1500132536), (14, 1392980212), (19, 1026406472), (26, 750066268), (28, 696490106), (38, 513203236), (52, 375033134), (56, 348245053), (76, 256601618), (91, 214304648), (104, 187516567), (133, 146629496), (152, 128300809), (182, 107152324), (247, 78954344), (266, 73314748), (364, 53576162), (494, 39477172), (532, 36657374), (728, 26788081), (988, 19738586), (1064, 18328687), (1729, 11279192), (1976, 9869293), (3458, 5639596), (6916, 2819798), (13832, 1409899)]