18390640322

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{4129}}^1$

素因数の和:4399

約数の個数: 48

約数和(自身を含む): 30211776000

約数和(自身を除く): 11821135678

約数列:

[1, 2, 19, 31, 38, 62, 199, 361, 398, 589, 722, 1178, 3781, 4129, 6169, 7562, 8258, 11191, 12338, 22382, 71839, 78451, 117211, 127999, 143678, 156902, 234422, 255998, 821671, 1490569, 1643342, 2227009, 2431981, 2981138, 4454018, 4863962, 15611749, 25471801, 31223498, 46207639, 50943602, 92415278, 296623231, 483964219, 593246462, 967928438, 9195320161, 18390640322]

約数ペア:

[(1, 18390640322), (2, 9195320161), (19, 967928438), (31, 593246462), (38, 483964219), (62, 296623231), (199, 92415278), (361, 50943602), (398, 46207639), (589, 31223498), (722, 25471801), (1178, 15611749), (3781, 4863962), (4129, 4454018), (6169, 2981138), (7562, 2431981), (8258, 2227009), (11191, 1643342), (12338, 1490569), (22382, 821671), (71839, 255998), (78451, 234422), (117211, 156902), (127999, 143678)]