18973682

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{281}}^1$

素因数の和:363

約数の個数: 48

約数和(自身を含む): 36455832

約数和(自身を除く): 17482150

約数列:

[1, 2, 7, 13, 14, 26, 49, 53, 91, 98, 106, 182, 281, 371, 562, 637, 689, 742, 1274, 1378, 1967, 2597, 3653, 3934, 4823, 5194, 7306, 9646, 13769, 14893, 25571, 27538, 29786, 33761, 51142, 67522, 104251, 178997, 193609, 208502, 357994, 387218, 729757, 1355263, 1459514, 2710526, 9486841, 18973682]

約数ペア:

[(1, 18973682), (2, 9486841), (7, 2710526), (13, 1459514), (14, 1355263), (26, 729757), (49, 387218), (53, 357994), (91, 208502), (98, 193609), (106, 178997), (182, 104251), (281, 67522), (371, 51142), (562, 33761), (637, 29786), (689, 27538), (742, 25571), (1274, 14893), (1378, 13769), (1967, 9646), (2597, 7306), (3653, 5194), (3934, 4823)]