18410810

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{383}}^1$

素因数の和:443

約数の個数: 64

約数和(自身を含む): 39813120

約数和(自身を除く): 21402310

約数列:

[1, 2, 5, 10, 11, 19, 22, 23, 38, 46, 55, 95, 110, 115, 190, 209, 230, 253, 383, 418, 437, 506, 766, 874, 1045, 1265, 1915, 2090, 2185, 2530, 3830, 4213, 4370, 4807, 7277, 8426, 8809, 9614, 14554, 17618, 21065, 24035, 36385, 42130, 44045, 48070, 72770, 80047, 88090, 96899, 160094, 167371, 193798, 334742, 400235, 484495, 800470, 836855, 968990, 1673710, 1841081, 3682162, 9205405, 18410810]

約数ペア:

[(1, 18410810), (2, 9205405), (5, 3682162), (10, 1841081), (11, 1673710), (19, 968990), (22, 836855), (23, 800470), (38, 484495), (46, 400235), (55, 334742), (95, 193798), (110, 167371), (115, 160094), (190, 96899), (209, 88090), (230, 80047), (253, 72770), (383, 48070), (418, 44045), (437, 42130), (506, 36385), (766, 24035), (874, 21065), (1045, 17618), (1265, 14554), (1915, 9614), (2090, 8809), (2185, 8426), (2530, 7277), (3830, 4807), (4213, 4370)]