19537973

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{4051}}^1$

素因数の和:4124

約数の個数: 16

約数和(自身を含む): 24506496

約数和(自身を除く): 4968523

約数列:

[1, 7, 13, 53, 91, 371, 689, 4051, 4823, 28357, 52663, 214703, 368641, 1502921, 2791139, 19537973]

約数ペア:

[(1, 19537973), (7, 2791139), (13, 1502921), (53, 368641), (91, 214703), (371, 52663), (689, 28357), (4051, 4823)]