19894590

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{13003}}^1$

素因数の和:13033

約数の個数: 48

約数和(自身を含む): 54772848

約数和(自身を除く): 34878258

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 30, 34, 45, 51, 85, 90, 102, 153, 170, 255, 306, 510, 765, 1530, 13003, 26006, 39009, 65015, 78018, 117027, 130030, 195045, 221051, 234054, 390090, 442102, 585135, 663153, 1105255, 1170270, 1326306, 1989459, 2210510, 3315765, 3978918, 6631530, 9947295, 19894590]

約数ペア:

[(1, 19894590), (2, 9947295), (3, 6631530), (5, 3978918), (6, 3315765), (9, 2210510), (10, 1989459), (15, 1326306), (17, 1170270), (18, 1105255), (30, 663153), (34, 585135), (45, 442102), (51, 390090), (85, 234054), (90, 221051), (102, 195045), (153, 130030), (170, 117027), (255, 78018), (306, 65015), (510, 39009), (765, 26006), (1530, 13003)]