19861856

素因数分解:

$2^5\times 7^2\times {\mathrm{53}}^1\times {\mathrm{239}}^1$

素因数の和:316

約数の個数: 72

約数和(自身を含む): 46539360

約数和(自身を除く): 26677504

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 53, 56, 98, 106, 112, 196, 212, 224, 239, 371, 392, 424, 478, 742, 784, 848, 956, 1484, 1568, 1673, 1696, 1912, 2597, 2968, 3346, 3824, 5194, 5936, 6692, 7648, 10388, 11711, 11872, 12667, 13384, 20776, 23422, 25334, 26768, 41552, 46844, 50668, 53536, 83104, 88669, 93688, 101336, 177338, 187376, 202672, 354676, 374752, 405344, 620683, 709352, 1241366, 1418704, 2482732, 2837408, 4965464, 9930928, 19861856]

約数ペア:

[(1, 19861856), (2, 9930928), (4, 4965464), (7, 2837408), (8, 2482732), (14, 1418704), (16, 1241366), (28, 709352), (32, 620683), (49, 405344), (53, 374752), (56, 354676), (98, 202672), (106, 187376), (112, 177338), (196, 101336), (212, 93688), (224, 88669), (239, 83104), (371, 53536), (392, 50668), (424, 46844), (478, 41552), (742, 26768), (784, 25334), (848, 23422), (956, 20776), (1484, 13384), (1568, 12667), (1673, 11872), (1696, 11711), (1912, 10388), (2597, 7648), (2968, 6692), (3346, 5936), (3824, 5194)]