15019880

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{19763}}^1$

素因数の和:19793

約数の個数: 32

約数和(自身を含む): 35575200

約数和(自身を除く): 20555320

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 19763, 39526, 79052, 98815, 158104, 197630, 375497, 395260, 750994, 790520, 1501988, 1877485, 3003976, 3754970, 7509940, 15019880]

約数ペア:

[(1, 15019880), (2, 7509940), (4, 3754970), (5, 3003976), (8, 1877485), (10, 1501988), (19, 790520), (20, 750994), (38, 395260), (40, 375497), (76, 197630), (95, 158104), (152, 98815), (190, 79052), (380, 39526), (760, 19763)]