19695988

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{353}}^1$

素因数の和:436

約数の個数: 48

約数和(自身を含む): 39548880

約数和(自身を除く): 19852892

約数列:

[1, 2, 4, 13, 26, 29, 37, 52, 58, 74, 116, 148, 353, 377, 481, 706, 754, 962, 1073, 1412, 1508, 1924, 2146, 4292, 4589, 9178, 10237, 13061, 13949, 18356, 20474, 26122, 27898, 40948, 52244, 55796, 133081, 169793, 266162, 339586, 378769, 532324, 679172, 757538, 1515076, 4923997, 9847994, 19695988]

約数ペア:

[(1, 19695988), (2, 9847994), (4, 4923997), (13, 1515076), (26, 757538), (29, 679172), (37, 532324), (52, 378769), (58, 339586), (74, 266162), (116, 169793), (148, 133081), (353, 55796), (377, 52244), (481, 40948), (706, 27898), (754, 26122), (962, 20474), (1073, 18356), (1412, 13949), (1508, 13061), (1924, 10237), (2146, 9178), (4292, 4589)]