17720692

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:133

約数の個数: 72

約数和(自身を含む): 37537920

約数和(自身を除く): 19817228

約数列:

[1, 2, 4, 11, 19, 22, 38, 41, 44, 47, 76, 82, 94, 121, 164, 188, 209, 242, 418, 451, 484, 517, 779, 836, 893, 902, 1034, 1558, 1786, 1804, 1927, 2068, 2299, 3116, 3572, 3854, 4598, 4961, 5687, 7708, 8569, 9196, 9823, 9922, 11374, 17138, 19646, 19844, 21197, 22748, 34276, 36613, 39292, 42394, 73226, 84788, 94259, 108053, 146452, 188518, 216106, 233167, 377036, 402743, 432212, 466334, 805486, 932668, 1610972, 4430173, 8860346, 17720692]

約数ペア:

[(1, 17720692), (2, 8860346), (4, 4430173), (11, 1610972), (19, 932668), (22, 805486), (38, 466334), (41, 432212), (44, 402743), (47, 377036), (76, 233167), (82, 216106), (94, 188518), (121, 146452), (164, 108053), (188, 94259), (209, 84788), (242, 73226), (418, 42394), (451, 39292), (484, 36613), (517, 34276), (779, 22748), (836, 21197), (893, 19844), (902, 19646), (1034, 17138), (1558, 11374), (1786, 9922), (1804, 9823), (1927, 9196), (2068, 8569), (2299, 7708), (3116, 5687), (3572, 4961), (3854, 4598)]