19847688

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1$

素因数の和:187

約数の個数: 128

約数和(自身を含む): 60702720

約数和(自身を除く): 40855032

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 31, 37, 42, 56, 62, 74, 84, 93, 103, 111, 124, 148, 168, 186, 206, 217, 222, 248, 259, 296, 309, 372, 412, 434, 444, 518, 618, 651, 721, 744, 777, 824, 868, 888, 1036, 1147, 1236, 1302, 1442, 1554, 1736, 2072, 2163, 2294, 2472, 2604, 2884, 3108, 3193, 3441, 3811, 4326, 4588, 5208, 5768, 6216, 6386, 6882, 7622, 8029, 8652, 9176, 9579, 11433, 12772, 13764, 15244, 16058, 17304, 19158, 22351, 22866, 24087, 25544, 26677, 27528, 30488, 32116, 38316, 44702, 45732, 48174, 53354, 64232, 67053, 76632, 80031, 89404, 91464, 96348, 106708, 118141, 134106, 160062, 178808, 192696, 213416, 236282, 268212, 320124, 354423, 472564, 536424, 640248, 708846, 826987, 945128, 1417692, 1653974, 2480961, 2835384, 3307948, 4961922, 6615896, 9923844, 19847688]

約数ペア:

[(1, 19847688), (2, 9923844), (3, 6615896), (4, 4961922), (6, 3307948), (7, 2835384), (8, 2480961), (12, 1653974), (14, 1417692), (21, 945128), (24, 826987), (28, 708846), (31, 640248), (37, 536424), (42, 472564), (56, 354423), (62, 320124), (74, 268212), (84, 236282), (93, 213416), (103, 192696), (111, 178808), (124, 160062), (148, 134106), (168, 118141), (186, 106708), (206, 96348), (217, 91464), (222, 89404), (248, 80031), (259, 76632), (296, 67053), (309, 64232), (372, 53354), (412, 48174), (434, 45732), (444, 44702), (518, 38316), (618, 32116), (651, 30488), (721, 27528), (744, 26677), (777, 25544), (824, 24087), (868, 22866), (888, 22351), (1036, 19158), (1147, 17304), (1236, 16058), (1302, 15244), (1442, 13764), (1554, 12772), (1736, 11433), (2072, 9579), (2163, 9176), (2294, 8652), (2472, 8029), (2604, 7622), (2884, 6882), (3108, 6386), (3193, 6216), (3441, 5768), (3811, 5208), (4326, 4588)]