19438797

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{211}}^1$

素因数の和:369

約数の個数: 32

約数和(自身を含む): 30772224

約数和(自身を除く): 11333427

約数列:

[1, 3, 7, 21, 41, 107, 123, 211, 287, 321, 633, 749, 861, 1477, 2247, 4387, 4431, 8651, 13161, 22577, 25953, 30709, 60557, 67731, 92127, 158039, 181671, 474117, 925657, 2776971, 6479599, 19438797]

約数ペア:

[(1, 19438797), (3, 6479599), (7, 2776971), (21, 925657), (41, 474117), (107, 181671), (123, 158039), (211, 92127), (287, 67731), (321, 60557), (633, 30709), (749, 25953), (861, 22577), (1477, 13161), (2247, 8651), (4387, 4431)]