19581303

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{571}}^1$

素因数の和:675

約数の個数: 32

約数和(自身を含む): 31629312

約数和(自身を除く): 12048009

約数列:

[1, 3, 7, 21, 23, 69, 71, 161, 213, 483, 497, 571, 1491, 1633, 1713, 3997, 4899, 11431, 11991, 13133, 34293, 39399, 40541, 91931, 121623, 275793, 283787, 851361, 932443, 2797329, 6527101, 19581303]

約数ペア:

[(1, 19581303), (3, 6527101), (7, 2797329), (21, 932443), (23, 851361), (69, 283787), (71, 275793), (161, 121623), (213, 91931), (483, 40541), (497, 39399), (571, 34293), (1491, 13133), (1633, 11991), (1713, 11431), (3997, 4899)]