20190981375

素因数分解:

$3^4\times 5^3\times {\mathrm{173}}^1\times {\mathrm{11527}}^1$

素因数の和:11727

約数の個数: 80

約数和(自身を含む): 37862839872

約数和(自身を除く): 17671858497

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 125, 135, 173, 225, 375, 405, 519, 675, 865, 1125, 1557, 2025, 2595, 3375, 4325, 4671, 7785, 10125, 11527, 12975, 14013, 21625, 23355, 34581, 38925, 57635, 64875, 70065, 103743, 116775, 172905, 194625, 288175, 311229, 350325, 518715, 583875, 864525, 933687, 1440875, 1556145, 1751625, 1994171, 2593575, 4322625, 4668435, 5982513, 7780725, 9970855, 12967875, 17947539, 23342175, 29912565, 38903625, 49854275, 53842617, 89737695, 116710875, 149562825, 161527851, 249271375, 269213085, 448688475, 747814125, 807639255, 1346065425, 2243442375, 4038196275, 6730327125, 20190981375]

約数ペア:

[(1, 20190981375), (3, 6730327125), (5, 4038196275), (9, 2243442375), (15, 1346065425), (25, 807639255), (27, 747814125), (45, 448688475), (75, 269213085), (81, 249271375), (125, 161527851), (135, 149562825), (173, 116710875), (225, 89737695), (375, 53842617), (405, 49854275), (519, 38903625), (675, 29912565), (865, 23342175), (1125, 17947539), (1557, 12967875), (2025, 9970855), (2595, 7780725), (3375, 5982513), (4325, 4668435), (4671, 4322625), (7785, 2593575), (10125, 1994171), (11527, 1751625), (12975, 1556145), (14013, 1440875), (21625, 933687), (23355, 864525), (34581, 583875), (38925, 518715), (57635, 350325), (64875, 311229), (70065, 288175), (103743, 194625), (116775, 172905)]