19667655

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{2153}}^1$

素因数の和:2200

約数の個数: 48

約数和(自身を含む): 40322880

約数和(自身を除く): 20655225

約数列:

[1, 3, 5, 7, 9, 15, 21, 29, 35, 45, 63, 87, 105, 145, 203, 261, 315, 435, 609, 1015, 1305, 1827, 2153, 3045, 6459, 9135, 10765, 15071, 19377, 32295, 45213, 62437, 75355, 96885, 135639, 187311, 226065, 312185, 437059, 561933, 678195, 936555, 1311177, 2185295, 2809665, 3933531, 6555885, 19667655]

約数ペア:

[(1, 19667655), (3, 6555885), (5, 3933531), (7, 2809665), (9, 2185295), (15, 1311177), (21, 936555), (29, 678195), (35, 561933), (45, 437059), (63, 312185), (87, 226065), (105, 187311), (145, 135639), (203, 96885), (261, 75355), (315, 62437), (435, 45213), (609, 32295), (1015, 19377), (1305, 15071), (1827, 10765), (2153, 9135), (3045, 6459)]