18387720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3929}}^1$

素因数の和:3959

約数の個数: 96

約数和(自身を含む): 64373400

約数和(自身を除く): 45985680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 60, 65, 72, 78, 90, 104, 117, 120, 130, 156, 180, 195, 234, 260, 312, 360, 390, 468, 520, 585, 780, 936, 1170, 1560, 2340, 3929, 4680, 7858, 11787, 15716, 19645, 23574, 31432, 35361, 39290, 47148, 51077, 58935, 70722, 78580, 94296, 102154, 117870, 141444, 153231, 157160, 176805, 204308, 235740, 255385, 282888, 306462, 353610, 408616, 459693, 471480, 510770, 612924, 707220, 766155, 919386, 1021540, 1225848, 1414440, 1532310, 1838772, 2043080, 2298465, 3064620, 3677544, 4596930, 6129240, 9193860, 18387720]

約数ペア:

[(1, 18387720), (2, 9193860), (3, 6129240), (4, 4596930), (5, 3677544), (6, 3064620), (8, 2298465), (9, 2043080), (10, 1838772), (12, 1532310), (13, 1414440), (15, 1225848), (18, 1021540), (20, 919386), (24, 766155), (26, 707220), (30, 612924), (36, 510770), (39, 471480), (40, 459693), (45, 408616), (52, 353610), (60, 306462), (65, 282888), (72, 255385), (78, 235740), (90, 204308), (104, 176805), (117, 157160), (120, 153231), (130, 141444), (156, 117870), (180, 102154), (195, 94296), (234, 78580), (260, 70722), (312, 58935), (360, 51077), (390, 47148), (468, 39290), (520, 35361), (585, 31432), (780, 23574), (936, 19645), (1170, 15716), (1560, 11787), (2340, 7858), (3929, 4680)]