18814750

素因数分解:

$2^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{233}}^1$

素因数の和:286

約数の個数: 64

約数和(自身を含む): 39424320

約数和(自身を除く): 20609570

約数列:

[1, 2, 5, 10, 17, 19, 25, 34, 38, 50, 85, 95, 125, 170, 190, 233, 250, 323, 425, 466, 475, 646, 850, 950, 1165, 1615, 2125, 2330, 2375, 3230, 3961, 4250, 4427, 4750, 5825, 7922, 8075, 8854, 11650, 16150, 19805, 22135, 29125, 39610, 40375, 44270, 58250, 75259, 80750, 99025, 110675, 150518, 198050, 221350, 376295, 495125, 553375, 752590, 990250, 1106750, 1881475, 3762950, 9407375, 18814750]

約数ペア:

[(1, 18814750), (2, 9407375), (5, 3762950), (10, 1881475), (17, 1106750), (19, 990250), (25, 752590), (34, 553375), (38, 495125), (50, 376295), (85, 221350), (95, 198050), (125, 150518), (170, 110675), (190, 99025), (233, 80750), (250, 75259), (323, 58250), (425, 44270), (466, 40375), (475, 39610), (646, 29125), (850, 22135), (950, 19805), (1165, 16150), (1615, 11650), (2125, 8854), (2330, 8075), (2375, 7922), (3230, 5825), (3961, 4750), (4250, 4427)]