19909848

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{3203}}^1$

素因数の和:3256

約数の個数: 64

約数和(自身を含む): 58440960

約数和(自身を除く): 38531112

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 37, 42, 56, 74, 84, 111, 148, 168, 222, 259, 296, 444, 518, 777, 888, 1036, 1554, 2072, 3108, 3203, 6216, 6406, 9609, 12812, 19218, 22421, 25624, 38436, 44842, 67263, 76872, 89684, 118511, 134526, 179368, 237022, 269052, 355533, 474044, 538104, 711066, 829577, 948088, 1422132, 1659154, 2488731, 2844264, 3318308, 4977462, 6636616, 9954924, 19909848]

約数ペア:

[(1, 19909848), (2, 9954924), (3, 6636616), (4, 4977462), (6, 3318308), (7, 2844264), (8, 2488731), (12, 1659154), (14, 1422132), (21, 948088), (24, 829577), (28, 711066), (37, 538104), (42, 474044), (56, 355533), (74, 269052), (84, 237022), (111, 179368), (148, 134526), (168, 118511), (222, 89684), (259, 76872), (296, 67263), (444, 44842), (518, 38436), (777, 25624), (888, 22421), (1036, 19218), (1554, 12812), (2072, 9609), (3108, 6406), (3203, 6216)]