18828472

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{919}}^1$

素因数の和:1135

約数の個数: 32

約数和(自身を含む): 38253600

約数和(自身を除く): 19425128

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 197, 394, 788, 919, 1576, 1838, 2561, 3676, 5122, 7352, 10244, 11947, 20488, 23894, 47788, 95576, 181043, 362086, 724172, 1448344, 2353559, 4707118, 9414236, 18828472]

約数ペア:

[(1, 18828472), (2, 9414236), (4, 4707118), (8, 2353559), (13, 1448344), (26, 724172), (52, 362086), (104, 181043), (197, 95576), (394, 47788), (788, 23894), (919, 20488), (1576, 11947), (1838, 10244), (2561, 7352), (3676, 5122)]