19991685

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{4051}}^1$

素因数の和:4113

約数の個数: 32

約数和(自身を含む): 37343232

約数和(自身を除く): 17351547

約数列:

[1, 3, 5, 7, 15, 21, 35, 47, 105, 141, 235, 329, 705, 987, 1645, 4051, 4935, 12153, 20255, 28357, 60765, 85071, 141785, 190397, 425355, 571191, 951985, 1332779, 2855955, 3998337, 6663895, 19991685]

約数ペア:

[(1, 19991685), (3, 6663895), (5, 3998337), (7, 2855955), (15, 1332779), (21, 951985), (35, 571191), (47, 425355), (105, 190397), (141, 141785), (235, 85071), (329, 60765), (705, 28357), (987, 20255), (1645, 12153), (4051, 4935)]