19917914

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{223}}^1$

素因数の和:350

約数の個数: 32

約数和(自身を含む): 33094656

約数和(自身を除く): 13176742

約数列:

[1, 2, 17, 34, 37, 71, 74, 142, 223, 446, 629, 1207, 1258, 2414, 2627, 3791, 5254, 7582, 8251, 15833, 16502, 31666, 44659, 89318, 140267, 269161, 280534, 538322, 585821, 1171642, 9958957, 19917914]

約数ペア:

[(1, 19917914), (2, 9958957), (17, 1171642), (34, 585821), (37, 538322), (71, 280534), (74, 269161), (142, 140267), (223, 89318), (446, 44659), (629, 31666), (1207, 16502), (1258, 15833), (2414, 8251), (2627, 7582), (3791, 5254)]