19853904

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1597}}^1$

素因数の和:1652

約数の個数: 80

約数和(自身を含む): 60238208

約数和(自身を除く): 40384304

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 37, 42, 48, 56, 74, 84, 111, 112, 148, 168, 222, 259, 296, 336, 444, 518, 592, 777, 888, 1036, 1554, 1597, 1776, 2072, 3108, 3194, 4144, 4791, 6216, 6388, 9582, 11179, 12432, 12776, 19164, 22358, 25552, 33537, 38328, 44716, 59089, 67074, 76656, 89432, 118178, 134148, 177267, 178864, 236356, 268296, 354534, 413623, 472712, 536592, 709068, 827246, 945424, 1240869, 1418136, 1654492, 2481738, 2836272, 3308984, 4963476, 6617968, 9926952, 19853904]

約数ペア:

[(1, 19853904), (2, 9926952), (3, 6617968), (4, 4963476), (6, 3308984), (7, 2836272), (8, 2481738), (12, 1654492), (14, 1418136), (16, 1240869), (21, 945424), (24, 827246), (28, 709068), (37, 536592), (42, 472712), (48, 413623), (56, 354534), (74, 268296), (84, 236356), (111, 178864), (112, 177267), (148, 134148), (168, 118178), (222, 89432), (259, 76656), (296, 67074), (336, 59089), (444, 44716), (518, 38328), (592, 33537), (777, 25552), (888, 22358), (1036, 19164), (1554, 12776), (1597, 12432), (1776, 11179), (2072, 9582), (3108, 6388), (3194, 6216), (4144, 4791)]