19665744

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{547}}^1$

素因数の和:672

約数の個数: 80

約数和(自身を含む): 58710528

約数和(自身を除く): 39044784

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 107, 112, 168, 214, 321, 336, 428, 547, 642, 749, 856, 1094, 1284, 1498, 1641, 1712, 2188, 2247, 2568, 2996, 3282, 3829, 4376, 4494, 5136, 5992, 6564, 7658, 8752, 8988, 11487, 11984, 13128, 15316, 17976, 22974, 26256, 30632, 35952, 45948, 58529, 61264, 91896, 117058, 175587, 183792, 234116, 351174, 409703, 468232, 702348, 819406, 936464, 1229109, 1404696, 1638812, 2458218, 2809392, 3277624, 4916436, 6555248, 9832872, 19665744]

約数ペア:

[(1, 19665744), (2, 9832872), (3, 6555248), (4, 4916436), (6, 3277624), (7, 2809392), (8, 2458218), (12, 1638812), (14, 1404696), (16, 1229109), (21, 936464), (24, 819406), (28, 702348), (42, 468232), (48, 409703), (56, 351174), (84, 234116), (107, 183792), (112, 175587), (168, 117058), (214, 91896), (321, 61264), (336, 58529), (428, 45948), (547, 35952), (642, 30632), (749, 26256), (856, 22974), (1094, 17976), (1284, 15316), (1498, 13128), (1641, 11984), (1712, 11487), (2188, 8988), (2247, 8752), (2568, 7658), (2996, 6564), (3282, 5992), (3829, 5136), (4376, 4494)]