19721730

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{93913}}^1$

素因数の和:93930

約数の個数: 32

約数和(自身を含む): 54094464

約数和(自身を除く): 34372734

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 93913, 187826, 281739, 469565, 563478, 657391, 939130, 1314782, 1408695, 1972173, 2817390, 3286955, 3944346, 6573910, 9860865, 19721730]

約数ペア:

[(1, 19721730), (2, 9860865), (3, 6573910), (5, 3944346), (6, 3286955), (7, 2817390), (10, 1972173), (14, 1408695), (15, 1314782), (21, 939130), (30, 657391), (35, 563478), (42, 469565), (70, 281739), (105, 187826), (210, 93913)]