19005123123

素因数分解:

$3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{257177}}^1$

素因数の和:257233

約数の個数: 64

約数和(自身を含む): 35552286720

約数和(自身を除く): 16547163597

約数列:

[1, 3, 7, 9, 17, 21, 23, 27, 51, 63, 69, 119, 153, 161, 189, 207, 357, 391, 459, 483, 621, 1071, 1173, 1449, 2737, 3213, 3519, 4347, 8211, 10557, 24633, 73899, 257177, 771531, 1800239, 2314593, 4372009, 5400717, 5915071, 6943779, 13116027, 16202151, 17745213, 30604063, 39348081, 41405497, 48606453, 53235639, 91812189, 100556207, 118044243, 124216491, 159706917, 275436567, 301668621, 372649473, 703893449, 826309701, 905005863, 1117948419, 2111680347, 2715017589, 6335041041, 19005123123]

約数ペア:

[(1, 19005123123), (3, 6335041041), (7, 2715017589), (9, 2111680347), (17, 1117948419), (21, 905005863), (23, 826309701), (27, 703893449), (51, 372649473), (63, 301668621), (69, 275436567), (119, 159706917), (153, 124216491), (161, 118044243), (189, 100556207), (207, 91812189), (357, 53235639), (391, 48606453), (459, 41405497), (483, 39348081), (621, 30604063), (1071, 17745213), (1173, 16202151), (1449, 13116027), (2737, 6943779), (3213, 5915071), (3519, 5400717), (4347, 4372009), (8211, 2314593), (10557, 1800239), (24633, 771531), (73899, 257177)]