19004788

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{179}}^1$

素因数の和:340

約数の個数: 48

約数和(自身を含む): 38707200

約数和(自身を除く): 19702412

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 127, 179, 209, 254, 358, 418, 508, 716, 836, 1397, 1969, 2413, 2794, 3401, 3938, 4826, 5588, 6802, 7876, 9652, 13604, 22733, 26543, 37411, 45466, 53086, 74822, 90932, 106172, 149644, 250063, 431927, 500126, 863854, 1000252, 1727708, 4751197, 9502394, 19004788]

約数ペア:

[(1, 19004788), (2, 9502394), (4, 4751197), (11, 1727708), (19, 1000252), (22, 863854), (38, 500126), (44, 431927), (76, 250063), (127, 149644), (179, 106172), (209, 90932), (254, 74822), (358, 53086), (418, 45466), (508, 37411), (716, 26543), (836, 22733), (1397, 13604), (1969, 9652), (2413, 7876), (2794, 6802), (3401, 5588), (3938, 4826)]