19887828

素因数分解:

$2^2\times 3^1\times {\mathrm{73}}^2\times {\mathrm{311}}^1$

素因数の和:464

約数の個数: 36

約数和(自身を含む): 47200608

約数和(自身を除く): 27312780

約数列:

[1, 2, 3, 4, 6, 12, 73, 146, 219, 292, 311, 438, 622, 876, 933, 1244, 1866, 3732, 5329, 10658, 15987, 21316, 22703, 31974, 45406, 63948, 68109, 90812, 136218, 272436, 1657319, 3314638, 4971957, 6629276, 9943914, 19887828]

約数ペア:

[(1, 19887828), (2, 9943914), (3, 6629276), (4, 4971957), (6, 3314638), (12, 1657319), (73, 272436), (146, 136218), (219, 90812), (292, 68109), (311, 63948), (438, 45406), (622, 31974), (876, 22703), (933, 21316), (1244, 15987), (1866, 10658), (3732, 5329)]