19419972

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{11317}}^1$

素因数の和:11348

約数の個数: 48

約数和(自身を含む): 53239872

約数和(自身を除く): 33819900

約数列:

[1, 2, 3, 4, 6, 11, 12, 13, 22, 26, 33, 39, 44, 52, 66, 78, 132, 143, 156, 286, 429, 572, 858, 1716, 11317, 22634, 33951, 45268, 67902, 124487, 135804, 147121, 248974, 294242, 373461, 441363, 497948, 588484, 746922, 882726, 1493844, 1618331, 1765452, 3236662, 4854993, 6473324, 9709986, 19419972]

約数ペア:

[(1, 19419972), (2, 9709986), (3, 6473324), (4, 4854993), (6, 3236662), (11, 1765452), (12, 1618331), (13, 1493844), (22, 882726), (26, 746922), (33, 588484), (39, 497948), (44, 441363), (52, 373461), (66, 294242), (78, 248974), (132, 147121), (143, 135804), (156, 124487), (286, 67902), (429, 45268), (572, 33951), (858, 22634), (1716, 11317)]