19477120

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2341}}^1$

素因数の和:2373

約数の個数: 64

約数和(自身を含む): 50165640

約数和(自身を除く): 30688520

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 320, 416, 520, 640, 832, 1040, 1664, 2080, 2341, 4160, 4682, 8320, 9364, 11705, 18728, 23410, 30433, 37456, 46820, 60866, 74912, 93640, 121732, 149824, 152165, 187280, 243464, 299648, 304330, 374560, 486928, 608660, 749120, 973856, 1217320, 1498240, 1947712, 2434640, 3895424, 4869280, 9738560, 19477120]

約数ペア:

[(1, 19477120), (2, 9738560), (4, 4869280), (5, 3895424), (8, 2434640), (10, 1947712), (13, 1498240), (16, 1217320), (20, 973856), (26, 749120), (32, 608660), (40, 486928), (52, 374560), (64, 304330), (65, 299648), (80, 243464), (104, 187280), (128, 152165), (130, 149824), (160, 121732), (208, 93640), (260, 74912), (320, 60866), (416, 46820), (520, 37456), (640, 30433), (832, 23410), (1040, 18728), (1664, 11705), (2080, 9364), (2341, 8320), (4160, 4682)]