19660219125

素因数分解:

$3^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{21727}}^1$

素因数の和:21891

約数の個数: 64

約数和(自身を含む): 34709176320

約数和(自身を除く): 15048957195

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 125, 127, 285, 375, 381, 475, 635, 1425, 1905, 2375, 2413, 3175, 7125, 7239, 9525, 12065, 15875, 21727, 36195, 47625, 60325, 65181, 108635, 180975, 301625, 325905, 412813, 543175, 904875, 1238439, 1629525, 2064065, 2715875, 2759329, 6192195, 8147625, 8277987, 10320325, 13796645, 30960975, 41389935, 51601625, 52427251, 68983225, 154804875, 157281753, 206949675, 262136255, 344916125, 786408765, 1034748375, 1310681275, 3932043825, 6553406375, 19660219125]

約数ペア:

[(1, 19660219125), (3, 6553406375), (5, 3932043825), (15, 1310681275), (19, 1034748375), (25, 786408765), (57, 344916125), (75, 262136255), (95, 206949675), (125, 157281753), (127, 154804875), (285, 68983225), (375, 52427251), (381, 51601625), (475, 41389935), (635, 30960975), (1425, 13796645), (1905, 10320325), (2375, 8277987), (2413, 8147625), (3175, 6192195), (7125, 2759329), (7239, 2715875), (9525, 2064065), (12065, 1629525), (15875, 1238439), (21727, 904875), (36195, 543175), (47625, 412813), (60325, 325905), (65181, 301625), (108635, 180975)]