19209228

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{487}}^1$

素因数の和:686

約数の個数: 48

約数和(自身を含む): 47550720

約数和(自身を除く): 28341492

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 173, 228, 346, 487, 519, 692, 974, 1038, 1461, 1948, 2076, 2922, 3287, 5844, 6574, 9253, 9861, 13148, 18506, 19722, 27759, 37012, 39444, 55518, 84251, 111036, 168502, 252753, 337004, 505506, 1011012, 1600769, 3201538, 4802307, 6403076, 9604614, 19209228]

約数ペア:

[(1, 19209228), (2, 9604614), (3, 6403076), (4, 4802307), (6, 3201538), (12, 1600769), (19, 1011012), (38, 505506), (57, 337004), (76, 252753), (114, 168502), (173, 111036), (228, 84251), (346, 55518), (487, 39444), (519, 37012), (692, 27759), (974, 19722), (1038, 18506), (1461, 13148), (1948, 9861), (2076, 9253), (2922, 6574), (3287, 5844)]