19276895

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{389}}^1$

素因数の和:475

約数の個数: 32

約数和(自身を含む): 27293760

約数和(自身を除く): 8016865

約数列:

[1, 5, 11, 17, 53, 55, 85, 187, 265, 389, 583, 901, 935, 1945, 2915, 4279, 4505, 6613, 9911, 20617, 21395, 33065, 49555, 72743, 103085, 226787, 350489, 363715, 1133935, 1752445, 3855379, 19276895]

約数ペア:

[(1, 19276895), (5, 3855379), (11, 1752445), (17, 1133935), (53, 363715), (55, 350489), (85, 226787), (187, 103085), (265, 72743), (389, 49555), (583, 33065), (901, 21395), (935, 20617), (1945, 9911), (2915, 6613), (4279, 4505)]