19885070

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{2207}}^1$

素因数の和:2284

約数の個数: 32

約数和(自身を含む): 38631168

約数和(自身を除く): 18746098

約数列:

[1, 2, 5, 10, 17, 34, 53, 85, 106, 170, 265, 530, 901, 1802, 2207, 4414, 4505, 9010, 11035, 22070, 37519, 75038, 116971, 187595, 233942, 375190, 584855, 1169710, 1988507, 3977014, 9942535, 19885070]

約数ペア:

[(1, 19885070), (2, 9942535), (5, 3977014), (10, 1988507), (17, 1169710), (34, 584855), (53, 375190), (85, 233942), (106, 187595), (170, 116971), (265, 75038), (530, 37519), (901, 22070), (1802, 11035), (2207, 9010), (4414, 4505)]