19819354

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{151}}^1$

素因数の和:286

約数の個数: 32

約数和(自身を含む): 32394240

約数和(自身を除く): 12574886

約数列:

[1, 2, 29, 31, 58, 62, 73, 146, 151, 302, 899, 1798, 2117, 2263, 4234, 4379, 4526, 4681, 8758, 9362, 11023, 22046, 65627, 131254, 135749, 271498, 319667, 341713, 639334, 683426, 9909677, 19819354]

約数ペア:

[(1, 19819354), (2, 9909677), (29, 683426), (31, 639334), (58, 341713), (62, 319667), (73, 271498), (146, 135749), (151, 131254), (302, 65627), (899, 22046), (1798, 11023), (2117, 9362), (2263, 8758), (4234, 4681), (4379, 4526)]