23019490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{257}}^1$

素因数の和:343

約数の個数: 48

約数和(自身を含む): 45892008

約数和(自身を除く): 22872518

約数列:

[1, 2, 5, 10, 13, 26, 53, 65, 106, 130, 169, 257, 265, 338, 514, 530, 689, 845, 1285, 1378, 1690, 2570, 3341, 3445, 6682, 6890, 8957, 13621, 16705, 17914, 27242, 33410, 43433, 44785, 68105, 86866, 89570, 136210, 177073, 217165, 354146, 434330, 885365, 1770730, 2301949, 4603898, 11509745, 23019490]

約数ペア:

[(1, 23019490), (2, 11509745), (5, 4603898), (10, 2301949), (13, 1770730), (26, 885365), (53, 434330), (65, 354146), (106, 217165), (130, 177073), (169, 136210), (257, 89570), (265, 86866), (338, 68105), (514, 44785), (530, 43433), (689, 33410), (845, 27242), (1285, 17914), (1378, 16705), (1690, 13621), (2570, 8957), (3341, 6890), (3445, 6682)]