1917691880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3687869}}^1$

素因数の和:3687893

約数の個数: 32

約数和(自身を含む): 4646716200

約数和(自身を除く): 2729024320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 3687869, 7375738, 14751476, 18439345, 29502952, 36878690, 47942297, 73757380, 95884594, 147514760, 191769188, 239711485, 383538376, 479422970, 958845940, 1917691880]

約数ペア:

[(1, 1917691880), (2, 958845940), (4, 479422970), (5, 383538376), (8, 239711485), (10, 191769188), (13, 147514760), (20, 95884594), (26, 73757380), (40, 47942297), (52, 36878690), (65, 29502952), (104, 18439345), (130, 14751476), (260, 7375738), (520, 3687869)]