19665172

素因数分解:

$2^2\times {\mathrm{59}}^1\times {\mathrm{103}}^1\times {\mathrm{809}}^1$

素因数の和:975

約数の個数: 24

約数和(自身を含む): 35380800

約数和(自身を除く): 15715628

約数列:

[1, 2, 4, 59, 103, 118, 206, 236, 412, 809, 1618, 3236, 6077, 12154, 24308, 47731, 83327, 95462, 166654, 190924, 333308, 4916293, 9832586, 19665172]

約数ペア:

[(1, 19665172), (2, 9832586), (4, 4916293), (59, 333308), (103, 190924), (118, 166654), (206, 95462), (236, 83327), (412, 47731), (809, 24308), (1618, 12154), (3236, 6077)]