18963720

素因数分解:

$2^3\times 3^5\times 5^1\times {\mathrm{1951}}^1$

素因数の和:1977

約数の個数: 96

約数和(自身を含む): 63947520

約数和(自身を除く): 44983800

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, 81, 90, 108, 120, 135, 162, 180, 216, 243, 270, 324, 360, 405, 486, 540, 648, 810, 972, 1080, 1215, 1620, 1944, 1951, 2430, 3240, 3902, 4860, 5853, 7804, 9720, 9755, 11706, 15608, 17559, 19510, 23412, 29265, 35118, 39020, 46824, 52677, 58530, 70236, 78040, 87795, 105354, 117060, 140472, 158031, 175590, 210708, 234120, 263385, 316062, 351180, 421416, 474093, 526770, 632124, 702360, 790155, 948186, 1053540, 1264248, 1580310, 1896372, 2107080, 2370465, 3160620, 3792744, 4740930, 6321240, 9481860, 18963720]

約数ペア:

[(1, 18963720), (2, 9481860), (3, 6321240), (4, 4740930), (5, 3792744), (6, 3160620), (8, 2370465), (9, 2107080), (10, 1896372), (12, 1580310), (15, 1264248), (18, 1053540), (20, 948186), (24, 790155), (27, 702360), (30, 632124), (36, 526770), (40, 474093), (45, 421416), (54, 351180), (60, 316062), (72, 263385), (81, 234120), (90, 210708), (108, 175590), (120, 158031), (135, 140472), (162, 117060), (180, 105354), (216, 87795), (243, 78040), (270, 70236), (324, 58530), (360, 52677), (405, 46824), (486, 39020), (540, 35118), (648, 29265), (810, 23412), (972, 19510), (1080, 17559), (1215, 15608), (1620, 11706), (1944, 9755), (1951, 9720), (2430, 7804), (3240, 5853), (3902, 4860)]