19057456

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1$

素因数の和:218

約数の個数: 80

約数和(自身を含む): 43747200

約数和(自身を除く): 24689744

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 41, 44, 76, 82, 88, 139, 152, 164, 176, 209, 278, 304, 328, 418, 451, 556, 656, 779, 836, 902, 1112, 1529, 1558, 1672, 1804, 2224, 2641, 3058, 3116, 3344, 3608, 5282, 5699, 6116, 6232, 7216, 8569, 10564, 11398, 12232, 12464, 17138, 21128, 22796, 24464, 29051, 34276, 42256, 45592, 58102, 62689, 68552, 91184, 108281, 116204, 125378, 137104, 216562, 232408, 250756, 433124, 464816, 501512, 866248, 1003024, 1191091, 1732496, 2382182, 4764364, 9528728, 19057456]

約数ペア:

[(1, 19057456), (2, 9528728), (4, 4764364), (8, 2382182), (11, 1732496), (16, 1191091), (19, 1003024), (22, 866248), (38, 501512), (41, 464816), (44, 433124), (76, 250756), (82, 232408), (88, 216562), (139, 137104), (152, 125378), (164, 116204), (176, 108281), (209, 91184), (278, 68552), (304, 62689), (328, 58102), (418, 45592), (451, 42256), (556, 34276), (656, 29051), (779, 24464), (836, 22796), (902, 21128), (1112, 17138), (1529, 12464), (1558, 12232), (1672, 11398), (1804, 10564), (2224, 8569), (2641, 7216), (3058, 6232), (3116, 6116), (3344, 5699), (3608, 5282)]