19556320

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{919}}^1$

素因数の和:960

約数の個数: 96

約数和(自身を含む): 55641600

約数和(自身を除く): 36085280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 160, 190, 224, 266, 280, 304, 380, 532, 560, 608, 665, 760, 919, 1064, 1120, 1330, 1520, 1838, 2128, 2660, 3040, 3676, 4256, 4595, 5320, 6433, 7352, 9190, 10640, 12866, 14704, 17461, 18380, 21280, 25732, 29408, 32165, 34922, 36760, 51464, 64330, 69844, 73520, 87305, 102928, 122227, 128660, 139688, 147040, 174610, 205856, 244454, 257320, 279376, 349220, 488908, 514640, 558752, 611135, 698440, 977816, 1029280, 1222270, 1396880, 1955632, 2444540, 2793760, 3911264, 4889080, 9778160, 19556320]

約数ペア:

[(1, 19556320), (2, 9778160), (4, 4889080), (5, 3911264), (7, 2793760), (8, 2444540), (10, 1955632), (14, 1396880), (16, 1222270), (19, 1029280), (20, 977816), (28, 698440), (32, 611135), (35, 558752), (38, 514640), (40, 488908), (56, 349220), (70, 279376), (76, 257320), (80, 244454), (95, 205856), (112, 174610), (133, 147040), (140, 139688), (152, 128660), (160, 122227), (190, 102928), (224, 87305), (266, 73520), (280, 69844), (304, 64330), (380, 51464), (532, 36760), (560, 34922), (608, 32165), (665, 29408), (760, 25732), (919, 21280), (1064, 18380), (1120, 17461), (1330, 14704), (1520, 12866), (1838, 10640), (2128, 9190), (2660, 7352), (3040, 6433), (3676, 5320), (4256, 4595)]