18603872

素因数分解:

$2^5\times 7^1\times {\mathrm{23}}^2\times {\mathrm{157}}^1$

素因数の和:220

約数の個数: 72

約数和(自身を含む): 44036496

約数和(自身を除く): 25432624

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 56, 92, 112, 157, 161, 184, 224, 314, 322, 368, 529, 628, 644, 736, 1058, 1099, 1256, 1288, 2116, 2198, 2512, 2576, 3611, 3703, 4232, 4396, 5024, 5152, 7222, 7406, 8464, 8792, 14444, 14812, 16928, 17584, 25277, 28888, 29624, 35168, 50554, 57776, 59248, 83053, 101108, 115552, 118496, 166106, 202216, 332212, 404432, 581371, 664424, 808864, 1162742, 1328848, 2325484, 2657696, 4650968, 9301936, 18603872]

約数ペア:

[(1, 18603872), (2, 9301936), (4, 4650968), (7, 2657696), (8, 2325484), (14, 1328848), (16, 1162742), (23, 808864), (28, 664424), (32, 581371), (46, 404432), (56, 332212), (92, 202216), (112, 166106), (157, 118496), (161, 115552), (184, 101108), (224, 83053), (314, 59248), (322, 57776), (368, 50554), (529, 35168), (628, 29624), (644, 28888), (736, 25277), (1058, 17584), (1099, 16928), (1256, 14812), (1288, 14444), (2116, 8792), (2198, 8464), (2512, 7406), (2576, 7222), (3611, 5152), (3703, 5024), (4232, 4396)]