18936898239

素因数分解:

$3^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{197}}^1\times {\mathrm{22549}}^1$

素因数の和:22792

約数の個数: 48

約数和(自身を含む): 30539916000

約数和(自身を除く): 11603017761

約数列:

[1, 3, 7, 21, 29, 49, 87, 147, 197, 203, 591, 609, 1379, 1421, 4137, 4263, 5713, 9653, 17139, 22549, 28959, 39991, 67647, 119973, 157843, 279937, 473529, 653921, 839811, 1104901, 1961763, 3314703, 4442153, 4577447, 13326459, 13732341, 31095071, 32042129, 93285213, 96126387, 128822437, 217665497, 386467311, 652996491, 901757059, 2705271177, 6312299413, 18936898239]

約数ペア:

[(1, 18936898239), (3, 6312299413), (7, 2705271177), (21, 901757059), (29, 652996491), (49, 386467311), (87, 217665497), (147, 128822437), (197, 96126387), (203, 93285213), (591, 32042129), (609, 31095071), (1379, 13732341), (1421, 13326459), (4137, 4577447), (4263, 4442153), (5713, 3314703), (9653, 1961763), (17139, 1104901), (22549, 839811), (28959, 653921), (39991, 473529), (67647, 279937), (119973, 157843)]