19395740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{10657}}^1$

素因数の和:10686

約数の個数: 48

約数和(自身を含む): 50135232

約数和(自身を除く): 30739492

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 10657, 21314, 42628, 53285, 74599, 106570, 138541, 149198, 213140, 277082, 298396, 372995, 554164, 692705, 745990, 969787, 1385410, 1491980, 1939574, 2770820, 3879148, 4848935, 9697870, 19395740]

約数ペア:

[(1, 19395740), (2, 9697870), (4, 4848935), (5, 3879148), (7, 2770820), (10, 1939574), (13, 1491980), (14, 1385410), (20, 969787), (26, 745990), (28, 692705), (35, 554164), (52, 372995), (65, 298396), (70, 277082), (91, 213140), (130, 149198), (140, 138541), (182, 106570), (260, 74599), (364, 53285), (455, 42628), (910, 21314), (1820, 10657)]