19693712

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{18371}}^1$

素因数の和:18446

約数の個数: 20

約数和(自身を含む): 38728176

約数和(自身を除く): 19034464

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 536, 1072, 18371, 36742, 73484, 146968, 293936, 1230857, 2461714, 4923428, 9846856, 19693712]

約数ペア:

[(1, 19693712), (2, 9846856), (4, 4923428), (8, 2461714), (16, 1230857), (67, 293936), (134, 146968), (268, 73484), (536, 36742), (1072, 18371)]