19308753

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1$

素因数の和:139

約数の個数: 64

約数和(自身を含む): 33177600

約数和(自身を除く): 13868847

約数列:

[1, 3, 9, 17, 23, 27, 31, 51, 59, 69, 93, 153, 177, 207, 279, 391, 459, 527, 531, 621, 713, 837, 1003, 1173, 1357, 1581, 1593, 1829, 2139, 3009, 3519, 4071, 4743, 5487, 6417, 9027, 10557, 12121, 12213, 14229, 16461, 19251, 23069, 27081, 31093, 36363, 36639, 42067, 49383, 69207, 93279, 109089, 126201, 207621, 279837, 327267, 378603, 622863, 715139, 839511, 1135809, 2145417, 6436251, 19308753]

約数ペア:

[(1, 19308753), (3, 6436251), (9, 2145417), (17, 1135809), (23, 839511), (27, 715139), (31, 622863), (51, 378603), (59, 327267), (69, 279837), (93, 207621), (153, 126201), (177, 109089), (207, 93279), (279, 69207), (391, 49383), (459, 42067), (527, 36639), (531, 36363), (621, 31093), (713, 27081), (837, 23069), (1003, 19251), (1173, 16461), (1357, 14229), (1581, 12213), (1593, 12121), (1829, 10557), (2139, 9027), (3009, 6417), (3519, 5487), (4071, 4743)]