19976586

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{229}}^1$

素因数の和:339

約数の個数: 64

約数和(自身を含む): 48046080

約数和(自身を除く): 28069494

約数列:

[1, 2, 3, 6, 7, 14, 21, 31, 42, 62, 67, 93, 134, 186, 201, 217, 229, 402, 434, 458, 469, 651, 687, 938, 1302, 1374, 1407, 1603, 2077, 2814, 3206, 4154, 4809, 6231, 7099, 9618, 12462, 14198, 14539, 15343, 21297, 29078, 30686, 42594, 43617, 46029, 49693, 87234, 92058, 99386, 107401, 149079, 214802, 298158, 322203, 475633, 644406, 951266, 1426899, 2853798, 3329431, 6658862, 9988293, 19976586]

約数ペア:

[(1, 19976586), (2, 9988293), (3, 6658862), (6, 3329431), (7, 2853798), (14, 1426899), (21, 951266), (31, 644406), (42, 475633), (62, 322203), (67, 298158), (93, 214802), (134, 149079), (186, 107401), (201, 99386), (217, 92058), (229, 87234), (402, 49693), (434, 46029), (458, 43617), (469, 42594), (651, 30686), (687, 29078), (938, 21297), (1302, 15343), (1374, 14539), (1407, 14198), (1603, 12462), (2077, 9618), (2814, 7099), (3206, 6231), (4154, 4809)]