18707964

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{593}}^1$

素因数の和:850

約数の個数: 48

約数和(自身を含む): 47900160

約数和(自身を除く): 29192196

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 239, 478, 593, 717, 956, 1186, 1434, 1779, 2372, 2629, 2868, 3558, 5258, 6523, 7116, 7887, 10516, 13046, 15774, 19569, 26092, 31548, 39138, 78276, 141727, 283454, 425181, 566908, 850362, 1558997, 1700724, 3117994, 4676991, 6235988, 9353982, 18707964]

約数ペア:

[(1, 18707964), (2, 9353982), (3, 6235988), (4, 4676991), (6, 3117994), (11, 1700724), (12, 1558997), (22, 850362), (33, 566908), (44, 425181), (66, 283454), (132, 141727), (239, 78276), (478, 39138), (593, 31548), (717, 26092), (956, 19569), (1186, 15774), (1434, 13046), (1779, 10516), (2372, 7887), (2629, 7116), (2868, 6523), (3558, 5258)]