19757120

素因数分解:

$2^6\times 5^1\times {\mathrm{29}}^1\times {\mathrm{2129}}^1$

素因数の和:2175

約数の個数: 56

約数和(自身を含む): 48691800

約数和(自身を除く): 28934680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 145, 160, 232, 290, 320, 464, 580, 928, 1160, 1856, 2129, 2320, 4258, 4640, 8516, 9280, 10645, 17032, 21290, 34064, 42580, 61741, 68128, 85160, 123482, 136256, 170320, 246964, 308705, 340640, 493928, 617410, 681280, 987856, 1234820, 1975712, 2469640, 3951424, 4939280, 9878560, 19757120]

約数ペア:

[(1, 19757120), (2, 9878560), (4, 4939280), (5, 3951424), (8, 2469640), (10, 1975712), (16, 1234820), (20, 987856), (29, 681280), (32, 617410), (40, 493928), (58, 340640), (64, 308705), (80, 246964), (116, 170320), (145, 136256), (160, 123482), (232, 85160), (290, 68128), (320, 61741), (464, 42580), (580, 34064), (928, 21290), (1160, 17032), (1856, 10645), (2129, 9280), (2320, 8516), (4258, 4640)]