19476640

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2969}}^1$

素因数の和:3025

約数の個数: 48

約数和(自身を含む): 47151720

約数和(自身を除く): 27675080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 160, 164, 205, 328, 410, 656, 820, 1312, 1640, 2969, 3280, 5938, 6560, 11876, 14845, 23752, 29690, 47504, 59380, 95008, 118760, 121729, 237520, 243458, 475040, 486916, 608645, 973832, 1217290, 1947664, 2434580, 3895328, 4869160, 9738320, 19476640]

約数ペア:

[(1, 19476640), (2, 9738320), (4, 4869160), (5, 3895328), (8, 2434580), (10, 1947664), (16, 1217290), (20, 973832), (32, 608645), (40, 486916), (41, 475040), (80, 243458), (82, 237520), (160, 121729), (164, 118760), (205, 95008), (328, 59380), (410, 47504), (656, 29690), (820, 23752), (1312, 14845), (1640, 11876), (2969, 6560), (3280, 5938)]