18750940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1759}}^1$

素因数の和:1822

約数の個数: 48

約数和(自身を含む): 43464960

約数和(自身を除く): 24714020

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 41, 52, 65, 82, 130, 164, 205, 260, 410, 533, 820, 1066, 1759, 2132, 2665, 3518, 5330, 7036, 8795, 10660, 17590, 22867, 35180, 45734, 72119, 91468, 114335, 144238, 228670, 288476, 360595, 457340, 721190, 937547, 1442380, 1875094, 3750188, 4687735, 9375470, 18750940]

約数ペア:

[(1, 18750940), (2, 9375470), (4, 4687735), (5, 3750188), (10, 1875094), (13, 1442380), (20, 937547), (26, 721190), (41, 457340), (52, 360595), (65, 288476), (82, 228670), (130, 144238), (164, 114335), (205, 91468), (260, 72119), (410, 45734), (533, 35180), (820, 22867), (1066, 17590), (1759, 10660), (2132, 8795), (2665, 7036), (3518, 5330)]