19985030

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{9043}}^1$

素因数の和:9080

約数の個数: 32

約数和(自身を含む): 41023584

約数和(自身を除く): 21038554

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 442, 1105, 2210, 9043, 18086, 45215, 90430, 117559, 153731, 235118, 307462, 587795, 768655, 1175590, 1537310, 1998503, 3997006, 9992515, 19985030]

約数ペア:

[(1, 19985030), (2, 9992515), (5, 3997006), (10, 1998503), (13, 1537310), (17, 1175590), (26, 768655), (34, 587795), (65, 307462), (85, 235118), (130, 153731), (170, 117559), (221, 90430), (442, 45215), (1105, 18086), (2210, 9043)]