18362260

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{457}}^1$

素因数の和:521

約数の個数: 72

約数和(自身を含む): 46050984

約数和(自身を除く): 27688724

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 49, 70, 82, 98, 140, 164, 196, 205, 245, 287, 410, 457, 490, 574, 820, 914, 980, 1148, 1435, 1828, 2009, 2285, 2870, 3199, 4018, 4570, 5740, 6398, 8036, 9140, 10045, 12796, 15995, 18737, 20090, 22393, 31990, 37474, 40180, 44786, 63980, 74948, 89572, 93685, 111965, 131159, 187370, 223930, 262318, 374740, 447860, 524636, 655795, 918113, 1311590, 1836226, 2623180, 3672452, 4590565, 9181130, 18362260]

約数ペア:

[(1, 18362260), (2, 9181130), (4, 4590565), (5, 3672452), (7, 2623180), (10, 1836226), (14, 1311590), (20, 918113), (28, 655795), (35, 524636), (41, 447860), (49, 374740), (70, 262318), (82, 223930), (98, 187370), (140, 131159), (164, 111965), (196, 93685), (205, 89572), (245, 74948), (287, 63980), (410, 44786), (457, 40180), (490, 37474), (574, 31990), (820, 22393), (914, 20090), (980, 18737), (1148, 15995), (1435, 12796), (1828, 10045), (2009, 9140), (2285, 8036), (2870, 6398), (3199, 5740), (4018, 4570)]