19640196

素因数分解:

$2^2\times 3^2\times {\mathrm{163}}^1\times {\mathrm{3347}}^1$

素因数の和:3520

約数の個数: 36

約数和(自身を含む): 49965552

約数和(自身を除く): 30325356

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 163, 326, 489, 652, 978, 1467, 1956, 2934, 3347, 5868, 6694, 10041, 13388, 20082, 30123, 40164, 60246, 120492, 545561, 1091122, 1636683, 2182244, 3273366, 4910049, 6546732, 9820098, 19640196]

約数ペア:

[(1, 19640196), (2, 9820098), (3, 6546732), (4, 4910049), (6, 3273366), (9, 2182244), (12, 1636683), (18, 1091122), (36, 545561), (163, 120492), (326, 60246), (489, 40164), (652, 30123), (978, 20082), (1467, 13388), (1956, 10041), (2934, 6694), (3347, 5868)]