19297388

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{563}}^1$

素因数の和:638

約数の個数: 48

約数和(自身を含む): 39795840

約数和(自身を除く): 20498452

約数列:

[1, 2, 4, 11, 19, 22, 38, 41, 44, 76, 82, 164, 209, 418, 451, 563, 779, 836, 902, 1126, 1558, 1804, 2252, 3116, 6193, 8569, 10697, 12386, 17138, 21394, 23083, 24772, 34276, 42788, 46166, 92332, 117667, 235334, 253913, 438577, 470668, 507826, 877154, 1015652, 1754308, 4824347, 9648694, 19297388]

約数ペア:

[(1, 19297388), (2, 9648694), (4, 4824347), (11, 1754308), (19, 1015652), (22, 877154), (38, 507826), (41, 470668), (44, 438577), (76, 253913), (82, 235334), (164, 117667), (209, 92332), (418, 46166), (451, 42788), (563, 34276), (779, 24772), (836, 23083), (902, 21394), (1126, 17138), (1558, 12386), (1804, 10697), (2252, 8569), (3116, 6193)]