19809184

素因数分解:

$2^5\times {\mathrm{47}}^1\times {\mathrm{13171}}^1$

素因数の和:13228

約数の個数: 24

約数和(自身を含む): 39832128

約数和(自身を除く): 20022944

約数列:

[1, 2, 4, 8, 16, 32, 47, 94, 188, 376, 752, 1504, 13171, 26342, 52684, 105368, 210736, 421472, 619037, 1238074, 2476148, 4952296, 9904592, 19809184]

約数ペア:

[(1, 19809184), (2, 9904592), (4, 4952296), (8, 2476148), (16, 1238074), (32, 619037), (47, 421472), (94, 210736), (188, 105368), (376, 52684), (752, 26342), (1504, 13171)]