19005229180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{1020689}}^1$

素因数の和:1020731

約数の個数: 72

約数和(自身を含む): 48870637200

約数和(自身を除く): 29865408020

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 49, 70, 76, 95, 98, 133, 140, 190, 196, 245, 266, 380, 490, 532, 665, 931, 980, 1330, 1862, 2660, 3724, 4655, 9310, 18620, 1020689, 2041378, 4082756, 5103445, 7144823, 10206890, 14289646, 19393091, 20413780, 28579292, 35724115, 38786182, 50013761, 71448230, 77572364, 96965455, 100027522, 135751637, 142896460, 193930910, 200055044, 250068805, 271503274, 387861820, 500137610, 543006548, 678758185, 950261459, 1000275220, 1357516370, 1900522918, 2715032740, 3801045836, 4751307295, 9502614590, 19005229180]

約数ペア:

[(1, 19005229180), (2, 9502614590), (4, 4751307295), (5, 3801045836), (7, 2715032740), (10, 1900522918), (14, 1357516370), (19, 1000275220), (20, 950261459), (28, 678758185), (35, 543006548), (38, 500137610), (49, 387861820), (70, 271503274), (76, 250068805), (95, 200055044), (98, 193930910), (133, 142896460), (140, 135751637), (190, 100027522), (196, 96965455), (245, 77572364), (266, 71448230), (380, 50013761), (490, 38786182), (532, 35724115), (665, 28579292), (931, 20413780), (980, 19393091), (1330, 14289646), (1862, 10206890), (2660, 7144823), (3724, 5103445), (4655, 4082756), (9310, 2041378), (18620, 1020689)]