18881204

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{1171}}^1$

素因数の和:1343

約数の個数: 24

約数和(自身を含む): 34456800

約数和(自身を除く): 15575596

約数列:

[1, 2, 4, 29, 58, 116, 139, 278, 556, 1171, 2342, 4031, 4684, 8062, 16124, 33959, 67918, 135836, 162769, 325538, 651076, 4720301, 9440602, 18881204]

約数ペア:

[(1, 18881204), (2, 9440602), (4, 4720301), (29, 651076), (58, 325538), (116, 162769), (139, 135836), (278, 67918), (556, 33959), (1171, 16124), (2342, 8062), (4031, 4684)]