19327750

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{313}}^1$

素因数の和:362

約数の個数: 64

約数和(自身を含む): 41146560

約数和(自身を除く): 21818810

約数列:

[1, 2, 5, 10, 13, 19, 25, 26, 38, 50, 65, 95, 125, 130, 190, 247, 250, 313, 325, 475, 494, 626, 650, 950, 1235, 1565, 1625, 2375, 2470, 3130, 3250, 4069, 4750, 5947, 6175, 7825, 8138, 11894, 12350, 15650, 20345, 29735, 30875, 39125, 40690, 59470, 61750, 77311, 78250, 101725, 148675, 154622, 203450, 297350, 386555, 508625, 743375, 773110, 1017250, 1486750, 1932775, 3865550, 9663875, 19327750]

約数ペア:

[(1, 19327750), (2, 9663875), (5, 3865550), (10, 1932775), (13, 1486750), (19, 1017250), (25, 773110), (26, 743375), (38, 508625), (50, 386555), (65, 297350), (95, 203450), (125, 154622), (130, 148675), (190, 101725), (247, 78250), (250, 77311), (313, 61750), (325, 59470), (475, 40690), (494, 39125), (626, 30875), (650, 29735), (950, 20345), (1235, 15650), (1565, 12350), (1625, 11894), (2375, 8138), (2470, 7825), (3130, 6175), (3250, 5947), (4069, 4750)]