19561717072

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{8317}}^1$

素因数の和:8528

約数の個数: 80

約数和(自身を含む): 40566220560

約数和(自身を除く): 21004503488

約数列:

[1, 2, 4, 8, 16, 29, 37, 58, 74, 116, 137, 148, 232, 274, 296, 464, 548, 592, 1073, 1096, 2146, 2192, 3973, 4292, 5069, 7946, 8317, 8584, 10138, 15892, 16634, 17168, 20276, 31784, 33268, 40552, 63568, 66536, 81104, 133072, 147001, 241193, 294002, 307729, 482386, 588004, 615458, 964772, 1139429, 1176008, 1230916, 1929544, 2278858, 2352016, 2461832, 3859088, 4557716, 4923664, 8924141, 9115432, 17848282, 18230864, 33043441, 35696564, 42158873, 66086882, 71393128, 84317746, 132173764, 142786256, 168635492, 264347528, 337270984, 528695056, 674541968, 1222607317, 2445214634, 4890429268, 9780858536, 19561717072]

約数ペア:

[(1, 19561717072), (2, 9780858536), (4, 4890429268), (8, 2445214634), (16, 1222607317), (29, 674541968), (37, 528695056), (58, 337270984), (74, 264347528), (116, 168635492), (137, 142786256), (148, 132173764), (232, 84317746), (274, 71393128), (296, 66086882), (464, 42158873), (548, 35696564), (592, 33043441), (1073, 18230864), (1096, 17848282), (2146, 9115432), (2192, 8924141), (3973, 4923664), (4292, 4557716), (5069, 3859088), (7946, 2461832), (8317, 2352016), (8584, 2278858), (10138, 1929544), (15892, 1230916), (16634, 1176008), (17168, 1139429), (20276, 964772), (31784, 615458), (33268, 588004), (40552, 482386), (63568, 307729), (66536, 294002), (81104, 241193), (133072, 147001)]