19991490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{39199}}^1$

素因数の和:39226

約数の個数: 32

約数和(自身を含む): 50803200

約数和(自身を除く): 30811710

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 255, 510, 39199, 78398, 117597, 195995, 235194, 391990, 587985, 666383, 1175970, 1332766, 1999149, 3331915, 3998298, 6663830, 9995745, 19991490]

約数ペア:

[(1, 19991490), (2, 9995745), (3, 6663830), (5, 3998298), (6, 3331915), (10, 1999149), (15, 1332766), (17, 1175970), (30, 666383), (34, 587985), (51, 391990), (85, 235194), (102, 195995), (170, 117597), (255, 78398), (510, 39199)]