18857440

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{149}}^1$

素因数の和:284

約数の個数: 96

約数和(自身を含む): 51710400

約数和(自身を除く): 32852960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 113, 140, 149, 160, 224, 226, 280, 298, 452, 560, 565, 596, 745, 791, 904, 1043, 1120, 1130, 1192, 1490, 1582, 1808, 2086, 2260, 2384, 2980, 3164, 3616, 3955, 4172, 4520, 4768, 5215, 5960, 6328, 7910, 8344, 9040, 10430, 11920, 12656, 15820, 16688, 16837, 18080, 20860, 23840, 25312, 31640, 33376, 33674, 41720, 63280, 67348, 83440, 84185, 117859, 126560, 134696, 166880, 168370, 235718, 269392, 336740, 471436, 538784, 589295, 673480, 942872, 1178590, 1346960, 1885744, 2357180, 2693920, 3771488, 4714360, 9428720, 18857440]

約数ペア:

[(1, 18857440), (2, 9428720), (4, 4714360), (5, 3771488), (7, 2693920), (8, 2357180), (10, 1885744), (14, 1346960), (16, 1178590), (20, 942872), (28, 673480), (32, 589295), (35, 538784), (40, 471436), (56, 336740), (70, 269392), (80, 235718), (112, 168370), (113, 166880), (140, 134696), (149, 126560), (160, 117859), (224, 84185), (226, 83440), (280, 67348), (298, 63280), (452, 41720), (560, 33674), (565, 33376), (596, 31640), (745, 25312), (791, 23840), (904, 20860), (1043, 18080), (1120, 16837), (1130, 16688), (1192, 15820), (1490, 12656), (1582, 11920), (1808, 10430), (2086, 9040), (2260, 8344), (2384, 7910), (2980, 6328), (3164, 5960), (3616, 5215), (3955, 4768), (4172, 4520)]