19656868

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{3359}}^1$

素因数の和:3400

約数の個数: 48

約数和(自身を含む): 45158400

約数和(自身を除く): 25501532

約数列:

[1, 2, 4, 7, 11, 14, 19, 22, 28, 38, 44, 76, 77, 133, 154, 209, 266, 308, 418, 532, 836, 1463, 2926, 3359, 5852, 6718, 13436, 23513, 36949, 47026, 63821, 73898, 94052, 127642, 147796, 255284, 258643, 446747, 517286, 702031, 893494, 1034572, 1404062, 1786988, 2808124, 4914217, 9828434, 19656868]

約数ペア:

[(1, 19656868), (2, 9828434), (4, 4914217), (7, 2808124), (11, 1786988), (14, 1404062), (19, 1034572), (22, 893494), (28, 702031), (38, 517286), (44, 446747), (76, 258643), (77, 255284), (133, 147796), (154, 127642), (209, 94052), (266, 73898), (308, 63821), (418, 47026), (532, 36949), (836, 23513), (1463, 13436), (2926, 6718), (3359, 5852)]