18661280976

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{9968633}}^1$

素因数の和:9968660

約数の個数: 60

約数和(自身を含む): 56243033028

約数和(自身を除く): 37581752052

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 72, 78, 104, 117, 144, 156, 208, 234, 312, 468, 624, 936, 1872, 9968633, 19937266, 29905899, 39874532, 59811798, 79749064, 89717697, 119623596, 129592229, 159498128, 179435394, 239247192, 259184458, 358870788, 388776687, 478494384, 518368916, 717741576, 777553374, 1036737832, 1166330061, 1435483152, 1555106748, 2073475664, 2332660122, 3110213496, 4665320244, 6220426992, 9330640488, 18661280976]

約数ペア:

[(1, 18661280976), (2, 9330640488), (3, 6220426992), (4, 4665320244), (6, 3110213496), (8, 2332660122), (9, 2073475664), (12, 1555106748), (13, 1435483152), (16, 1166330061), (18, 1036737832), (24, 777553374), (26, 717741576), (36, 518368916), (39, 478494384), (48, 388776687), (52, 358870788), (72, 259184458), (78, 239247192), (104, 179435394), (117, 159498128), (144, 129592229), (156, 119623596), (208, 89717697), (234, 79749064), (312, 59811798), (468, 39874532), (624, 29905899), (936, 19937266), (1872, 9968633)]