19498556

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1$

素因数の和:147

約数の個数: 96

約数和(自身を含む): 45964800

約数和(自身を除く): 26466244

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 29, 37, 44, 58, 59, 74, 77, 116, 118, 148, 154, 203, 236, 259, 308, 319, 406, 407, 413, 518, 638, 649, 812, 814, 826, 1036, 1073, 1276, 1298, 1628, 1652, 1711, 2146, 2183, 2233, 2596, 2849, 3422, 4292, 4366, 4466, 4543, 5698, 6844, 7511, 8732, 8932, 9086, 11396, 11803, 11977, 15022, 15281, 18172, 18821, 23606, 23954, 24013, 30044, 30562, 37642, 47212, 47908, 48026, 61124, 63307, 75284, 82621, 96052, 126614, 131747, 165242, 168091, 253228, 263494, 330484, 336182, 443149, 526988, 672364, 696377, 886298, 1392754, 1772596, 2785508, 4874639, 9749278, 19498556]

約数ペア:

[(1, 19498556), (2, 9749278), (4, 4874639), (7, 2785508), (11, 1772596), (14, 1392754), (22, 886298), (28, 696377), (29, 672364), (37, 526988), (44, 443149), (58, 336182), (59, 330484), (74, 263494), (77, 253228), (116, 168091), (118, 165242), (148, 131747), (154, 126614), (203, 96052), (236, 82621), (259, 75284), (308, 63307), (319, 61124), (406, 48026), (407, 47908), (413, 47212), (518, 37642), (638, 30562), (649, 30044), (812, 24013), (814, 23954), (826, 23606), (1036, 18821), (1073, 18172), (1276, 15281), (1298, 15022), (1628, 11977), (1652, 11803), (1711, 11396), (2146, 9086), (2183, 8932), (2233, 8732), (2596, 7511), (2849, 6844), (3422, 5698), (4292, 4543), (4366, 4466)]