19918624

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{797}}^1$

素因数の和:889

約数の個数: 48

約数和(自身を含む): 43436736

約数和(自身を除く): 23518112

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 71, 88, 142, 176, 284, 352, 568, 781, 797, 1136, 1562, 1594, 2272, 3124, 3188, 6248, 6376, 8767, 12496, 12752, 17534, 24992, 25504, 35068, 56587, 70136, 113174, 140272, 226348, 280544, 452696, 622457, 905392, 1244914, 1810784, 2489828, 4979656, 9959312, 19918624]

約数ペア:

[(1, 19918624), (2, 9959312), (4, 4979656), (8, 2489828), (11, 1810784), (16, 1244914), (22, 905392), (32, 622457), (44, 452696), (71, 280544), (88, 226348), (142, 140272), (176, 113174), (284, 70136), (352, 56587), (568, 35068), (781, 25504), (797, 24992), (1136, 17534), (1562, 12752), (1594, 12496), (2272, 8767), (3124, 6376), (3188, 6248)]