19699605

素因数分解:

$3^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{383}}^1$

素因数の和:527

約数の個数: 40

約数和(自身を含む): 35684352

約数和(自身を除く): 15984747

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 127, 135, 381, 383, 405, 635, 1143, 1149, 1905, 1915, 3429, 3447, 5715, 5745, 10287, 10341, 17145, 17235, 31023, 48641, 51435, 51705, 145923, 155115, 243205, 437769, 729615, 1313307, 2188845, 3939921, 6566535, 19699605]

約数ペア:

[(1, 19699605), (3, 6566535), (5, 3939921), (9, 2188845), (15, 1313307), (27, 729615), (45, 437769), (81, 243205), (127, 155115), (135, 145923), (381, 51705), (383, 51435), (405, 48641), (635, 31023), (1143, 17235), (1149, 17145), (1905, 10341), (1915, 10287), (3429, 5745), (3447, 5715)]