18499680

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{443}}^1$

素因数の和:493

約数の個数: 144

約数和(自身を含む): 65454480

約数和(自身を除く): 46954800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 29, 30, 32, 36, 40, 45, 48, 58, 60, 72, 80, 87, 90, 96, 116, 120, 144, 145, 160, 174, 180, 232, 240, 261, 288, 290, 348, 360, 435, 443, 464, 480, 522, 580, 696, 720, 870, 886, 928, 1044, 1160, 1305, 1329, 1392, 1440, 1740, 1772, 2088, 2215, 2320, 2610, 2658, 2784, 3480, 3544, 3987, 4176, 4430, 4640, 5220, 5316, 6645, 6960, 7088, 7974, 8352, 8860, 10440, 10632, 12847, 13290, 13920, 14176, 15948, 17720, 19935, 20880, 21264, 25694, 26580, 31896, 35440, 38541, 39870, 41760, 42528, 51388, 53160, 63792, 64235, 70880, 77082, 79740, 102776, 106320, 115623, 127584, 128470, 154164, 159480, 192705, 205552, 212640, 231246, 256940, 308328, 318960, 385410, 411104, 462492, 513880, 578115, 616656, 637920, 770820, 924984, 1027760, 1156230, 1233312, 1541640, 1849968, 2055520, 2312460, 3083280, 3699936, 4624920, 6166560, 9249840, 18499680]

約数ペア:

[(1, 18499680), (2, 9249840), (3, 6166560), (4, 4624920), (5, 3699936), (6, 3083280), (8, 2312460), (9, 2055520), (10, 1849968), (12, 1541640), (15, 1233312), (16, 1156230), (18, 1027760), (20, 924984), (24, 770820), (29, 637920), (30, 616656), (32, 578115), (36, 513880), (40, 462492), (45, 411104), (48, 385410), (58, 318960), (60, 308328), (72, 256940), (80, 231246), (87, 212640), (90, 205552), (96, 192705), (116, 159480), (120, 154164), (144, 128470), (145, 127584), (160, 115623), (174, 106320), (180, 102776), (232, 79740), (240, 77082), (261, 70880), (288, 64235), (290, 63792), (348, 53160), (360, 51388), (435, 42528), (443, 41760), (464, 39870), (480, 38541), (522, 35440), (580, 31896), (696, 26580), (720, 25694), (870, 21264), (886, 20880), (928, 19935), (1044, 17720), (1160, 15948), (1305, 14176), (1329, 13920), (1392, 13290), (1440, 12847), (1740, 10632), (1772, 10440), (2088, 8860), (2215, 8352), (2320, 7974), (2610, 7088), (2658, 6960), (2784, 6645), (3480, 5316), (3544, 5220), (3987, 4640), (4176, 4430)]