19814912

素因数分解:

$2^9\times {\mathrm{13}}^2\times {\mathrm{229}}^1$

素因数の和:273

約数の個数: 60

約数和(自身を含む): 43058070

約数和(自身を除く): 23243158

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 169, 208, 229, 256, 338, 416, 458, 512, 676, 832, 916, 1352, 1664, 1832, 2704, 2977, 3328, 3664, 5408, 5954, 6656, 7328, 10816, 11908, 14656, 21632, 23816, 29312, 38701, 43264, 47632, 58624, 77402, 86528, 95264, 117248, 154804, 190528, 309608, 381056, 619216, 762112, 1238432, 1524224, 2476864, 4953728, 9907456, 19814912]

約数ペア:

[(1, 19814912), (2, 9907456), (4, 4953728), (8, 2476864), (13, 1524224), (16, 1238432), (26, 762112), (32, 619216), (52, 381056), (64, 309608), (104, 190528), (128, 154804), (169, 117248), (208, 95264), (229, 86528), (256, 77402), (338, 58624), (416, 47632), (458, 43264), (512, 38701), (676, 29312), (832, 23816), (916, 21632), (1352, 14656), (1664, 11908), (1832, 10816), (2704, 7328), (2977, 6656), (3328, 5954), (3664, 5408)]