18362740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{191}}^1$

素因数の和:253

約数の個数: 96

約数和(自身を含む): 46448640

約数和(自身を除く): 28085900

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 23, 38, 44, 46, 55, 76, 92, 95, 110, 115, 190, 191, 209, 220, 230, 253, 380, 382, 418, 437, 460, 506, 764, 836, 874, 955, 1012, 1045, 1265, 1748, 1910, 2090, 2101, 2185, 2530, 3629, 3820, 4180, 4202, 4370, 4393, 4807, 5060, 7258, 8404, 8740, 8786, 9614, 10505, 14516, 17572, 18145, 19228, 21010, 21965, 24035, 36290, 39919, 42020, 43930, 48070, 48323, 72580, 79838, 83467, 87860, 96140, 96646, 159676, 166934, 193292, 199595, 241615, 333868, 399190, 417335, 483230, 798380, 834670, 918137, 966460, 1669340, 1836274, 3672548, 4590685, 9181370, 18362740]

約数ペア:

[(1, 18362740), (2, 9181370), (4, 4590685), (5, 3672548), (10, 1836274), (11, 1669340), (19, 966460), (20, 918137), (22, 834670), (23, 798380), (38, 483230), (44, 417335), (46, 399190), (55, 333868), (76, 241615), (92, 199595), (95, 193292), (110, 166934), (115, 159676), (190, 96646), (191, 96140), (209, 87860), (220, 83467), (230, 79838), (253, 72580), (380, 48323), (382, 48070), (418, 43930), (437, 42020), (460, 39919), (506, 36290), (764, 24035), (836, 21965), (874, 21010), (955, 19228), (1012, 18145), (1045, 17572), (1265, 14516), (1748, 10505), (1910, 9614), (2090, 8786), (2101, 8740), (2185, 8404), (2530, 7258), (3629, 5060), (3820, 4807), (4180, 4393), (4202, 4370)]