19448590

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{2089}}^1$

素因数の和:2129

約数の個数: 48

約数和(自身を含む): 42886800

約数和(自身を除く): 23438210

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 49, 70, 95, 98, 133, 190, 245, 266, 490, 665, 931, 1330, 1862, 2089, 4178, 4655, 9310, 10445, 14623, 20890, 29246, 39691, 73115, 79382, 102361, 146230, 198455, 204722, 277837, 396910, 511805, 555674, 1023610, 1389185, 1944859, 2778370, 3889718, 9724295, 19448590]

約数ペア:

[(1, 19448590), (2, 9724295), (5, 3889718), (7, 2778370), (10, 1944859), (14, 1389185), (19, 1023610), (35, 555674), (38, 511805), (49, 396910), (70, 277837), (95, 204722), (98, 198455), (133, 146230), (190, 102361), (245, 79382), (266, 73115), (490, 39691), (665, 29246), (931, 20890), (1330, 14623), (1862, 10445), (2089, 9310), (4178, 4655)]