19993669220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{7516417}}^1$

素因数の和:7516452

約数の個数: 48

約数和(自身を含む): 50510328960

約数和(自身を除く): 30516659740

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 7516417, 15032834, 30065668, 37582085, 52614919, 75164170, 105229838, 142811923, 150328340, 210459676, 263074595, 285623846, 526149190, 571247692, 714059615, 999683461, 1052298380, 1428119230, 1999366922, 2856238460, 3998733844, 4998417305, 9996834610, 19993669220]

約数ペア:

[(1, 19993669220), (2, 9996834610), (4, 4998417305), (5, 3998733844), (7, 2856238460), (10, 1999366922), (14, 1428119230), (19, 1052298380), (20, 999683461), (28, 714059615), (35, 571247692), (38, 526149190), (70, 285623846), (76, 263074595), (95, 210459676), (133, 150328340), (140, 142811923), (190, 105229838), (266, 75164170), (380, 52614919), (532, 37582085), (665, 30065668), (1330, 15032834), (2660, 7516417)]