19767790

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{167}}^1$

素因数の和:289

約数の個数: 64

約数和(自身を含む): 43545600

約数和(自身を除く): 23777810

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 89, 95, 133, 167, 178, 190, 266, 334, 445, 623, 665, 835, 890, 1169, 1246, 1330, 1670, 1691, 2338, 3115, 3173, 3382, 5845, 6230, 6346, 8455, 11690, 11837, 14863, 15865, 16910, 22211, 23674, 29726, 31730, 44422, 59185, 74315, 104041, 111055, 118370, 148630, 208082, 222110, 282397, 520205, 564794, 1040410, 1411985, 1976779, 2823970, 3953558, 9883895, 19767790]

約数ペア:

[(1, 19767790), (2, 9883895), (5, 3953558), (7, 2823970), (10, 1976779), (14, 1411985), (19, 1040410), (35, 564794), (38, 520205), (70, 282397), (89, 222110), (95, 208082), (133, 148630), (167, 118370), (178, 111055), (190, 104041), (266, 74315), (334, 59185), (445, 44422), (623, 31730), (665, 29726), (835, 23674), (890, 22211), (1169, 16910), (1246, 15865), (1330, 14863), (1670, 11837), (1691, 11690), (2338, 8455), (3115, 6346), (3173, 6230), (3382, 5845)]