19699029

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{2351}}^1$

素因数の和:2390

約数の個数: 36

約数和(自身を含む): 34856640

約数和(自身を除く): 15157611

約数列:

[1, 3, 7, 9, 19, 21, 49, 57, 63, 133, 147, 171, 399, 441, 931, 1197, 2351, 2793, 7053, 8379, 16457, 21159, 44669, 49371, 115199, 134007, 148113, 312683, 345597, 402021, 938049, 1036791, 2188781, 2814147, 6566343, 19699029]

約数ペア:

[(1, 19699029), (3, 6566343), (7, 2814147), (9, 2188781), (19, 1036791), (21, 938049), (49, 402021), (57, 345597), (63, 312683), (133, 148113), (147, 134007), (171, 115199), (399, 49371), (441, 44669), (931, 21159), (1197, 16457), (2351, 8379), (2793, 7053)]