18320224

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{937}}^1$

素因数の和:1007

約数の個数: 48

約数和(自身を含む): 39711168

約数和(自身を除く): 21390944

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 47, 52, 94, 104, 188, 208, 376, 416, 611, 752, 937, 1222, 1504, 1874, 2444, 3748, 4888, 7496, 9776, 12181, 14992, 19552, 24362, 29984, 44039, 48724, 88078, 97448, 176156, 194896, 352312, 389792, 572507, 704624, 1145014, 1409248, 2290028, 4580056, 9160112, 18320224]

約数ペア:

[(1, 18320224), (2, 9160112), (4, 4580056), (8, 2290028), (13, 1409248), (16, 1145014), (26, 704624), (32, 572507), (47, 389792), (52, 352312), (94, 194896), (104, 176156), (188, 97448), (208, 88078), (376, 48724), (416, 44039), (611, 29984), (752, 24362), (937, 19552), (1222, 14992), (1504, 12181), (1874, 9776), (2444, 7496), (3748, 4888)]