18977378

素因数分解:

$2^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{151}}^1\times {\mathrm{191}}^1$

素因数の和:398

約数の個数: 32

約数和(自身を含む): 33619968

約数和(自身を除く): 14642590

約数列:

[1, 2, 7, 14, 47, 94, 151, 191, 302, 329, 382, 658, 1057, 1337, 2114, 2674, 7097, 8977, 14194, 17954, 28841, 49679, 57682, 62839, 99358, 125678, 201887, 403774, 1355527, 2711054, 9488689, 18977378]

約数ペア:

[(1, 18977378), (2, 9488689), (7, 2711054), (14, 1355527), (47, 403774), (94, 201887), (151, 125678), (191, 99358), (302, 62839), (329, 57682), (382, 49679), (658, 28841), (1057, 17954), (1337, 14194), (2114, 8977), (2674, 7097)]