219933170

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{6691}}^1$

素因数の和:6890

約数の個数: 32

約数和(自身を含む): 419186880

約数和(自身を除く): 199253710

約数列:

[1, 2, 5, 10, 19, 38, 95, 173, 190, 346, 865, 1730, 3287, 6574, 6691, 13382, 16435, 32870, 33455, 66910, 127129, 254258, 635645, 1157543, 1271290, 2315086, 5787715, 11575430, 21993317, 43986634, 109966585, 219933170]

約数ペア:

[(1, 219933170), (2, 109966585), (5, 43986634), (10, 21993317), (19, 11575430), (38, 5787715), (95, 2315086), (173, 1271290), (190, 1157543), (346, 635645), (865, 254258), (1730, 127129), (3287, 66910), (6574, 33455), (6691, 32870), (13382, 16435)]