18999652

素因数分解:

$2^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1$

素因数の和:161

約数の個数: 72

約数和(自身を含む): 41368320

約数和(自身を除く): 22368668

約数列:

[1, 2, 4, 7, 14, 28, 31, 49, 53, 59, 62, 98, 106, 118, 124, 196, 212, 217, 236, 371, 413, 434, 742, 826, 868, 1484, 1519, 1643, 1652, 1829, 2597, 2891, 3038, 3127, 3286, 3658, 5194, 5782, 6076, 6254, 6572, 7316, 10388, 11501, 11564, 12508, 12803, 21889, 23002, 25606, 43778, 46004, 51212, 80507, 87556, 89621, 96937, 153223, 161014, 179242, 193874, 306446, 322028, 358484, 387748, 612892, 678559, 1357118, 2714236, 4749913, 9499826, 18999652]

約数ペア:

[(1, 18999652), (2, 9499826), (4, 4749913), (7, 2714236), (14, 1357118), (28, 678559), (31, 612892), (49, 387748), (53, 358484), (59, 322028), (62, 306446), (98, 193874), (106, 179242), (118, 161014), (124, 153223), (196, 96937), (212, 89621), (217, 87556), (236, 80507), (371, 51212), (413, 46004), (434, 43778), (742, 25606), (826, 23002), (868, 21889), (1484, 12803), (1519, 12508), (1643, 11564), (1652, 11501), (1829, 10388), (2597, 7316), (2891, 6572), (3038, 6254), (3127, 6076), (3286, 5782), (3658, 5194)]