19818208

素因数分解:

$2^5\times {\mathrm{47}}^1\times {\mathrm{13177}}^1$

素因数の和:13234

約数の個数: 24

約数和(自身を含む): 39850272

約数和(自身を除く): 20032064

約数列:

[1, 2, 4, 8, 16, 32, 47, 94, 188, 376, 752, 1504, 13177, 26354, 52708, 105416, 210832, 421664, 619319, 1238638, 2477276, 4954552, 9909104, 19818208]

約数ペア:

[(1, 19818208), (2, 9909104), (4, 4954552), (8, 2477276), (16, 1238638), (32, 619319), (47, 421664), (94, 210832), (188, 105416), (376, 52708), (752, 26354), (1504, 13177)]