18669960

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{293}}^1$

素因数の和:372

約数の個数: 128

約数和(自身を含む): 63504000

約数和(自身を除く): 44834040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 59, 60, 72, 90, 108, 118, 120, 135, 177, 180, 216, 236, 270, 293, 295, 354, 360, 472, 531, 540, 586, 590, 708, 879, 885, 1062, 1080, 1172, 1180, 1416, 1465, 1593, 1758, 1770, 2124, 2344, 2360, 2637, 2655, 2930, 3186, 3516, 3540, 4248, 4395, 5274, 5310, 5860, 6372, 7032, 7080, 7911, 7965, 8790, 10548, 10620, 11720, 12744, 13185, 15822, 15930, 17287, 17580, 21096, 21240, 26370, 31644, 31860, 34574, 35160, 39555, 51861, 52740, 63288, 63720, 69148, 79110, 86435, 103722, 105480, 138296, 155583, 158220, 172870, 207444, 259305, 311166, 316440, 345740, 414888, 466749, 518610, 622332, 691480, 777915, 933498, 1037220, 1244664, 1555830, 1866996, 2074440, 2333745, 3111660, 3733992, 4667490, 6223320, 9334980, 18669960]

約数ペア:

[(1, 18669960), (2, 9334980), (3, 6223320), (4, 4667490), (5, 3733992), (6, 3111660), (8, 2333745), (9, 2074440), (10, 1866996), (12, 1555830), (15, 1244664), (18, 1037220), (20, 933498), (24, 777915), (27, 691480), (30, 622332), (36, 518610), (40, 466749), (45, 414888), (54, 345740), (59, 316440), (60, 311166), (72, 259305), (90, 207444), (108, 172870), (118, 158220), (120, 155583), (135, 138296), (177, 105480), (180, 103722), (216, 86435), (236, 79110), (270, 69148), (293, 63720), (295, 63288), (354, 52740), (360, 51861), (472, 39555), (531, 35160), (540, 34574), (586, 31860), (590, 31644), (708, 26370), (879, 21240), (885, 21096), (1062, 17580), (1080, 17287), (1172, 15930), (1180, 15822), (1416, 13185), (1465, 12744), (1593, 11720), (1758, 10620), (1770, 10548), (2124, 8790), (2344, 7965), (2360, 7911), (2637, 7080), (2655, 7032), (2930, 6372), (3186, 5860), (3516, 5310), (3540, 5274), (4248, 4395)]