19765832

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:206

約数の個数: 64

約数和(自身を含む): 41990400

約数和(自身を除く): 22224568

約数列:

[1, 2, 4, 8, 17, 23, 34, 46, 68, 71, 89, 92, 136, 142, 178, 184, 284, 356, 391, 568, 712, 782, 1207, 1513, 1564, 1633, 2047, 2414, 3026, 3128, 3266, 4094, 4828, 6052, 6319, 6532, 8188, 9656, 12104, 12638, 13064, 16376, 25276, 27761, 34799, 50552, 55522, 69598, 107423, 111044, 139196, 145337, 214846, 222088, 278392, 290674, 429692, 581348, 859384, 1162696, 2470729, 4941458, 9882916, 19765832]

約数ペア:

[(1, 19765832), (2, 9882916), (4, 4941458), (8, 2470729), (17, 1162696), (23, 859384), (34, 581348), (46, 429692), (68, 290674), (71, 278392), (89, 222088), (92, 214846), (136, 145337), (142, 139196), (178, 111044), (184, 107423), (284, 69598), (356, 55522), (391, 50552), (568, 34799), (712, 27761), (782, 25276), (1207, 16376), (1513, 13064), (1564, 12638), (1633, 12104), (2047, 9656), (2414, 8188), (3026, 6532), (3128, 6319), (3266, 6052), (4094, 4828)]