19906464

素因数分解:

$2^5\times 3^1\times {\mathrm{31}}^1\times {\mathrm{6689}}^1$

素因数の和:6733

約数の個数: 48

約数和(自身を含む): 53948160

約数和(自身を除く): 34041696

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 32, 48, 62, 93, 96, 124, 186, 248, 372, 496, 744, 992, 1488, 2976, 6689, 13378, 20067, 26756, 40134, 53512, 80268, 107024, 160536, 207359, 214048, 321072, 414718, 622077, 642144, 829436, 1244154, 1658872, 2488308, 3317744, 4976616, 6635488, 9953232, 19906464]

約数ペア:

[(1, 19906464), (2, 9953232), (3, 6635488), (4, 4976616), (6, 3317744), (8, 2488308), (12, 1658872), (16, 1244154), (24, 829436), (31, 642144), (32, 622077), (48, 414718), (62, 321072), (93, 214048), (96, 207359), (124, 160536), (186, 107024), (248, 80268), (372, 53512), (496, 40134), (744, 26756), (992, 20067), (1488, 13378), (2976, 6689)]