19310698

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{149}}^1$

素因数の和:342

約数の個数: 32

約数和(自身を含む): 32788800

約数和(自身を除く): 13478102

約数列:

[1, 2, 11, 22, 43, 86, 137, 149, 274, 298, 473, 946, 1507, 1639, 3014, 3278, 5891, 6407, 11782, 12814, 20413, 40826, 64801, 70477, 129602, 140954, 224543, 449086, 877759, 1755518, 9655349, 19310698]

約数ペア:

[(1, 19310698), (2, 9655349), (11, 1755518), (22, 877759), (43, 449086), (86, 224543), (137, 140954), (149, 129602), (274, 70477), (298, 64801), (473, 40826), (946, 20413), (1507, 12814), (1639, 11782), (3014, 6407), (3278, 5891)]