19539338

素因数分解:

$2^1\times 7^4\times {\mathrm{13}}^1\times {\mathrm{313}}^1$

素因数の和:356

約数の個数: 40

約数和(自身を含む): 36939588

約数和(自身を除く): 17400250

約数列:

[1, 2, 7, 13, 14, 26, 49, 91, 98, 182, 313, 343, 626, 637, 686, 1274, 2191, 2401, 4069, 4382, 4459, 4802, 8138, 8918, 15337, 28483, 30674, 31213, 56966, 62426, 107359, 199381, 214718, 398762, 751513, 1395667, 1503026, 2791334, 9769669, 19539338]

約数ペア:

[(1, 19539338), (2, 9769669), (7, 2791334), (13, 1503026), (14, 1395667), (26, 751513), (49, 398762), (91, 214718), (98, 199381), (182, 107359), (313, 62426), (343, 56966), (626, 31213), (637, 30674), (686, 28483), (1274, 15337), (2191, 8918), (2401, 8138), (4069, 4802), (4382, 4459)]