19451306

素因数分解:

$2^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{233}}^1$

素因数の和:398

約数の個数: 32

約数和(自身を含む): 34369920

約数和(自身を除く): 14918614

約数列:

[1, 2, 7, 14, 67, 89, 134, 178, 233, 466, 469, 623, 938, 1246, 1631, 3262, 5963, 11926, 15611, 20737, 31222, 41474, 41741, 83482, 109277, 145159, 218554, 290318, 1389379, 2778758, 9725653, 19451306]

約数ペア:

[(1, 19451306), (2, 9725653), (7, 2778758), (14, 1389379), (67, 290318), (89, 218554), (134, 145159), (178, 109277), (233, 83482), (466, 41741), (469, 41474), (623, 31222), (938, 20737), (1246, 15611), (1631, 11926), (3262, 5963)]