18850208

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{401}}^1$

素因数の和:537

約数の個数: 48

約数和(自身を含む): 40420296

約数和(自身を除く): 21570088

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 113, 208, 226, 401, 416, 452, 802, 904, 1469, 1604, 1808, 2938, 3208, 3616, 5213, 5876, 6416, 10426, 11752, 12832, 20852, 23504, 41704, 45313, 47008, 83408, 90626, 166816, 181252, 362504, 589069, 725008, 1178138, 1450016, 2356276, 4712552, 9425104, 18850208]

約数ペア:

[(1, 18850208), (2, 9425104), (4, 4712552), (8, 2356276), (13, 1450016), (16, 1178138), (26, 725008), (32, 589069), (52, 362504), (104, 181252), (113, 166816), (208, 90626), (226, 83408), (401, 47008), (416, 45313), (452, 41704), (802, 23504), (904, 20852), (1469, 12832), (1604, 11752), (1808, 10426), (2938, 6416), (3208, 5876), (3616, 5213)]