19936904176

素因数分解:

$2^4\times 7^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{35117}}^1$

素因数の和:35306

約数の個数: 80

約数和(自身を含む): 45671380416

約数和(自身を除く): 25734476240

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 37, 56, 74, 112, 137, 148, 259, 274, 296, 518, 548, 592, 959, 1036, 1096, 1918, 2072, 2192, 3836, 4144, 5069, 7672, 10138, 15344, 20276, 35117, 35483, 40552, 70234, 70966, 81104, 140468, 141932, 245819, 280936, 283864, 491638, 561872, 567728, 983276, 1299329, 1966552, 2598658, 3933104, 4811029, 5197316, 9095303, 9622058, 10394632, 18190606, 19244116, 20789264, 33677203, 36381212, 38488232, 67354406, 72762424, 76976464, 134708812, 145524848, 178008073, 269417624, 356016146, 538835248, 712032292, 1246056511, 1424064584, 2492113022, 2848129168, 4984226044, 9968452088, 19936904176]

約数ペア:

[(1, 19936904176), (2, 9968452088), (4, 4984226044), (7, 2848129168), (8, 2492113022), (14, 1424064584), (16, 1246056511), (28, 712032292), (37, 538835248), (56, 356016146), (74, 269417624), (112, 178008073), (137, 145524848), (148, 134708812), (259, 76976464), (274, 72762424), (296, 67354406), (518, 38488232), (548, 36381212), (592, 33677203), (959, 20789264), (1036, 19244116), (1096, 18190606), (1918, 10394632), (2072, 9622058), (2192, 9095303), (3836, 5197316), (4144, 4811029), (5069, 3933104), (7672, 2598658), (10138, 1966552), (15344, 1299329), (20276, 983276), (35117, 567728), (35483, 561872), (40552, 491638), (70234, 283864), (70966, 280936), (81104, 245819), (140468, 141932)]