19229725

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{631}}^1$

素因数の和:717

約数の個数: 24

約数和(自身を含む): 25391232

約数和(自身を除く): 6161507

約数列:

[1, 5, 23, 25, 53, 115, 265, 575, 631, 1219, 1325, 3155, 6095, 14513, 15775, 30475, 33443, 72565, 167215, 362825, 769189, 836075, 3845945, 19229725]

約数ペア:

[(1, 19229725), (5, 3845945), (23, 836075), (25, 769189), (53, 362825), (115, 167215), (265, 72565), (575, 33443), (631, 30475), (1219, 15775), (1325, 14513), (3155, 6095)]