18389728

素因数分解:

$2^5\times 7^1\times {\mathrm{53}}^1\times {\mathrm{1549}}^1$

素因数の和:1619

約数の個数: 48

約数和(自身を含む): 42184800

約数和(自身を除く): 23795072

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 53, 56, 106, 112, 212, 224, 371, 424, 742, 848, 1484, 1549, 1696, 2968, 3098, 5936, 6196, 10843, 11872, 12392, 21686, 24784, 43372, 49568, 82097, 86744, 164194, 173488, 328388, 346976, 574679, 656776, 1149358, 1313552, 2298716, 2627104, 4597432, 9194864, 18389728]

約数ペア:

[(1, 18389728), (2, 9194864), (4, 4597432), (7, 2627104), (8, 2298716), (14, 1313552), (16, 1149358), (28, 656776), (32, 574679), (53, 346976), (56, 328388), (106, 173488), (112, 164194), (212, 86744), (224, 82097), (371, 49568), (424, 43372), (742, 24784), (848, 21686), (1484, 12392), (1549, 11872), (1696, 10843), (2968, 6196), (3098, 5936)]