19378144

素因数分解:

$2^5\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{233}}^1$

素因数の和:379

約数の個数: 48

約数和(自身を含む): 40334112

約数和(自身を除く): 20955968

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 92, 113, 184, 226, 233, 368, 452, 466, 736, 904, 932, 1808, 1864, 2599, 3616, 3728, 5198, 5359, 7456, 10396, 10718, 20792, 21436, 26329, 41584, 42872, 52658, 83168, 85744, 105316, 171488, 210632, 421264, 605567, 842528, 1211134, 2422268, 4844536, 9689072, 19378144]

約数ペア:

[(1, 19378144), (2, 9689072), (4, 4844536), (8, 2422268), (16, 1211134), (23, 842528), (32, 605567), (46, 421264), (92, 210632), (113, 171488), (184, 105316), (226, 85744), (233, 83168), (368, 52658), (452, 42872), (466, 41584), (736, 26329), (904, 21436), (932, 20792), (1808, 10718), (1864, 10396), (2599, 7456), (3616, 5359), (3728, 5198)]