18721402

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{1097}}^1$

素因数の和:1182

約数の個数: 32

約数和(自身を含む): 34152192

約数和(自身を除く): 15430790

約数列:

[1, 2, 7, 14, 23, 46, 53, 106, 161, 322, 371, 742, 1097, 1219, 2194, 2438, 7679, 8533, 15358, 17066, 25231, 50462, 58141, 116282, 176617, 353234, 406987, 813974, 1337243, 2674486, 9360701, 18721402]

約数ペア:

[(1, 18721402), (2, 9360701), (7, 2674486), (14, 1337243), (23, 813974), (46, 406987), (53, 353234), (106, 176617), (161, 116282), (322, 58141), (371, 50462), (742, 25231), (1097, 17066), (1219, 15358), (2194, 8533), (2438, 7679)]