19546540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{5783}}^1$

素因数の和:5818

約数の個数: 36

約数和(自身を含む): 44455824

約数和(自身を除く): 24909284

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 5783, 11566, 23132, 28915, 57830, 75179, 115660, 150358, 300716, 375895, 751790, 977327, 1503580, 1954654, 3909308, 4886635, 9773270, 19546540]

約数ペア:

[(1, 19546540), (2, 9773270), (4, 4886635), (5, 3909308), (10, 1954654), (13, 1503580), (20, 977327), (26, 751790), (52, 375895), (65, 300716), (130, 150358), (169, 115660), (260, 75179), (338, 57830), (676, 28915), (845, 23132), (1690, 11566), (3380, 5783)]