18219877690

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^3\times {\mathrm{8737}}^1$

素因数の和:8844

約数の個数: 64

約数和(自身を含む): 38734645248

約数和(自身を除く): 20514767558

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 155, 217, 310, 434, 961, 1085, 1922, 2170, 4805, 6727, 8737, 9610, 13454, 17474, 29791, 33635, 43685, 59582, 61159, 67270, 87370, 122318, 148955, 208537, 270847, 297910, 305795, 417074, 541694, 611590, 1042685, 1354235, 1895929, 2085370, 2708470, 3791858, 8396257, 9479645, 16792514, 18959290, 41981285, 58773799, 83962570, 117547598, 260283967, 293868995, 520567934, 587737990, 1301419835, 1821987769, 2602839670, 3643975538, 9109938845, 18219877690]

約数ペア:

[(1, 18219877690), (2, 9109938845), (5, 3643975538), (7, 2602839670), (10, 1821987769), (14, 1301419835), (31, 587737990), (35, 520567934), (62, 293868995), (70, 260283967), (155, 117547598), (217, 83962570), (310, 58773799), (434, 41981285), (961, 18959290), (1085, 16792514), (1922, 9479645), (2170, 8396257), (4805, 3791858), (6727, 2708470), (8737, 2085370), (9610, 1895929), (13454, 1354235), (17474, 1042685), (29791, 611590), (33635, 541694), (43685, 417074), (59582, 305795), (61159, 297910), (67270, 270847), (87370, 208537), (122318, 148955)]