189920276

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3923}}^1$

素因数の和:3973

約数の個数: 72

約数和(自身を含む): 438389280

約数和(自身を除く): 248469004

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 38, 49, 52, 76, 91, 98, 133, 182, 196, 247, 266, 364, 494, 532, 637, 931, 988, 1274, 1729, 1862, 2548, 3458, 3724, 3923, 6916, 7846, 12103, 15692, 24206, 27461, 48412, 50999, 54922, 74537, 101998, 109844, 149074, 192227, 203996, 298148, 356993, 384454, 521759, 713986, 768908, 968981, 1043518, 1427972, 1937962, 2087036, 2498951, 3652313, 3875924, 4997902, 6782867, 7304626, 9995804, 13565734, 14609252, 27131468, 47480069, 94960138, 189920276]

約数ペア:

[(1, 189920276), (2, 94960138), (4, 47480069), (7, 27131468), (13, 14609252), (14, 13565734), (19, 9995804), (26, 7304626), (28, 6782867), (38, 4997902), (49, 3875924), (52, 3652313), (76, 2498951), (91, 2087036), (98, 1937962), (133, 1427972), (182, 1043518), (196, 968981), (247, 768908), (266, 713986), (364, 521759), (494, 384454), (532, 356993), (637, 298148), (931, 203996), (988, 192227), (1274, 149074), (1729, 109844), (1862, 101998), (2548, 74537), (3458, 54922), (3724, 50999), (3923, 48412), (6916, 27461), (7846, 24206), (12103, 15692)]