19906592

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:130

約数の個数: 96

約数和(自身を含む): 45505152

約数和(自身を除く): 25598560

約数列:

[1, 2, 4, 8, 16, 17, 23, 32, 34, 37, 43, 46, 68, 74, 86, 92, 136, 148, 172, 184, 272, 296, 344, 368, 391, 544, 592, 629, 688, 731, 736, 782, 851, 989, 1184, 1258, 1376, 1462, 1564, 1591, 1702, 1978, 2516, 2924, 3128, 3182, 3404, 3956, 5032, 5848, 6256, 6364, 6808, 7912, 10064, 11696, 12512, 12728, 13616, 14467, 15824, 16813, 20128, 23392, 25456, 27047, 27232, 28934, 31648, 33626, 36593, 50912, 54094, 57868, 67252, 73186, 108188, 115736, 134504, 146372, 216376, 231472, 269008, 292744, 432752, 462944, 538016, 585488, 622081, 865504, 1170976, 1244162, 2488324, 4976648, 9953296, 19906592]

約数ペア:

[(1, 19906592), (2, 9953296), (4, 4976648), (8, 2488324), (16, 1244162), (17, 1170976), (23, 865504), (32, 622081), (34, 585488), (37, 538016), (43, 462944), (46, 432752), (68, 292744), (74, 269008), (86, 231472), (92, 216376), (136, 146372), (148, 134504), (172, 115736), (184, 108188), (272, 73186), (296, 67252), (344, 57868), (368, 54094), (391, 50912), (544, 36593), (592, 33626), (629, 31648), (688, 28934), (731, 27232), (736, 27047), (782, 25456), (851, 23392), (989, 20128), (1184, 16813), (1258, 15824), (1376, 14467), (1462, 13616), (1564, 12728), (1591, 12512), (1702, 11696), (1978, 10064), (2516, 7912), (2924, 6808), (3128, 6364), (3182, 6256), (3404, 5848), (3956, 5032)]