19922450

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{313}}^1$

素因数の和:411

約数の個数: 48

約数和(自身を含む): 39714720

約数和(自身を除く): 19792270

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 67, 95, 134, 190, 313, 335, 475, 626, 670, 950, 1273, 1565, 1675, 2546, 3130, 3350, 5947, 6365, 7825, 11894, 12730, 15650, 20971, 29735, 31825, 41942, 59470, 63650, 104855, 148675, 209710, 297350, 398449, 524275, 796898, 1048550, 1992245, 3984490, 9961225, 19922450]

約数ペア:

[(1, 19922450), (2, 9961225), (5, 3984490), (10, 1992245), (19, 1048550), (25, 796898), (38, 524275), (50, 398449), (67, 297350), (95, 209710), (134, 148675), (190, 104855), (313, 63650), (335, 59470), (475, 41942), (626, 31825), (670, 29735), (950, 20971), (1273, 15650), (1565, 12730), (1675, 11894), (2546, 7825), (3130, 6365), (3350, 5947)]