19912046

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{541}}^1$

素因数の和:800

約数の個数: 32

約数和(自身を含む): 37463040

約数和(自身を除く): 17550994

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 239, 478, 541, 1082, 1673, 2629, 3346, 3787, 5258, 5951, 7574, 11902, 18403, 36806, 41657, 83314, 129299, 258598, 905093, 1422289, 1810186, 2844578, 9956023, 19912046]

約数ペア:

[(1, 19912046), (2, 9956023), (7, 2844578), (11, 1810186), (14, 1422289), (22, 905093), (77, 258598), (154, 129299), (239, 83314), (478, 41657), (541, 36806), (1082, 18403), (1673, 11902), (2629, 7574), (3346, 5951), (3787, 5258)]