19503720

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{18059}}^1$

素因数の和:18079

約数の個数: 64

約数和(自身を含む): 65016000

約数和(自身を除く): 45512280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 18059, 36118, 54177, 72236, 90295, 108354, 144472, 162531, 180590, 216708, 270885, 325062, 361180, 433416, 487593, 541770, 650124, 722360, 812655, 975186, 1083540, 1300248, 1625310, 1950372, 2167080, 2437965, 3250620, 3900744, 4875930, 6501240, 9751860, 19503720]

約数ペア:

[(1, 19503720), (2, 9751860), (3, 6501240), (4, 4875930), (5, 3900744), (6, 3250620), (8, 2437965), (9, 2167080), (10, 1950372), (12, 1625310), (15, 1300248), (18, 1083540), (20, 975186), (24, 812655), (27, 722360), (30, 650124), (36, 541770), (40, 487593), (45, 433416), (54, 361180), (60, 325062), (72, 270885), (90, 216708), (108, 180590), (120, 162531), (135, 144472), (180, 108354), (216, 90295), (270, 72236), (360, 54177), (540, 36118), (1080, 18059)]