19792240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19031}}^1$

素因数の和:19057

約数の個数: 40

約数和(自身を含む): 49559328

約数和(自身を除く): 29767088

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 19031, 38062, 76124, 95155, 152248, 190310, 247403, 304496, 380620, 494806, 761240, 989612, 1237015, 1522480, 1979224, 2474030, 3958448, 4948060, 9896120, 19792240]

約数ペア:

[(1, 19792240), (2, 9896120), (4, 4948060), (5, 3958448), (8, 2474030), (10, 1979224), (13, 1522480), (16, 1237015), (20, 989612), (26, 761240), (40, 494806), (52, 380620), (65, 304496), (80, 247403), (104, 190310), (130, 152248), (208, 95155), (260, 76124), (520, 38062), (1040, 19031)]