2019907864

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{173}}^1\times {\mathrm{857}}^1$

素因数の和:1180

約数の個数: 64

約数和(自身を含む): 4138374240

約数和(自身を除く): 2118466376

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 131, 173, 262, 346, 524, 692, 857, 1048, 1384, 1703, 1714, 2249, 3406, 3428, 4498, 6812, 6856, 8996, 11141, 13624, 17992, 22282, 22663, 44564, 45326, 89128, 90652, 112267, 148261, 181304, 224534, 294619, 296522, 449068, 589238, 593044, 898136, 1178476, 1186088, 1459471, 1927393, 2356952, 2918942, 3854786, 5837884, 7709572, 11675768, 15419144, 19422191, 38844382, 77688764, 155377528, 252488483, 504976966, 1009953932, 2019907864]

約数ペア:

[(1, 2019907864), (2, 1009953932), (4, 504976966), (8, 252488483), (13, 155377528), (26, 77688764), (52, 38844382), (104, 19422191), (131, 15419144), (173, 11675768), (262, 7709572), (346, 5837884), (524, 3854786), (692, 2918942), (857, 2356952), (1048, 1927393), (1384, 1459471), (1703, 1186088), (1714, 1178476), (2249, 898136), (3406, 593044), (3428, 589238), (4498, 449068), (6812, 296522), (6856, 294619), (8996, 224534), (11141, 181304), (13624, 148261), (17992, 112267), (22282, 90652), (22663, 89128), (44564, 45326)]