18807366970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{971}}^1\times {\mathrm{3109}}^1$

素因数の和:4183

約数の個数: 64

約数和(自身を含む): 39177043200

約数和(自身を除く): 20369676230

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 89, 178, 445, 623, 890, 971, 1246, 1942, 3109, 3115, 4855, 6218, 6230, 6797, 9710, 13594, 15545, 21763, 31090, 33985, 43526, 67970, 86419, 108815, 172838, 217630, 276701, 432095, 553402, 604933, 864190, 1209866, 1383505, 1936907, 2767010, 3018839, 3024665, 3873814, 6037678, 6049330, 9684535, 15094195, 19369070, 21131873, 30188390, 42263746, 105659365, 211318730, 268676671, 537353342, 1343383355, 1880736697, 2686766710, 3761473394, 9403683485, 18807366970]

約数ペア:

[(1, 18807366970), (2, 9403683485), (5, 3761473394), (7, 2686766710), (10, 1880736697), (14, 1343383355), (35, 537353342), (70, 268676671), (89, 211318730), (178, 105659365), (445, 42263746), (623, 30188390), (890, 21131873), (971, 19369070), (1246, 15094195), (1942, 9684535), (3109, 6049330), (3115, 6037678), (4855, 3873814), (6218, 3024665), (6230, 3018839), (6797, 2767010), (9710, 1936907), (13594, 1383505), (15545, 1209866), (21763, 864190), (31090, 604933), (33985, 553402), (43526, 432095), (67970, 276701), (86419, 217630), (108815, 172838)]