19814036

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{173}}^1$

素因数の和:344

約数の個数: 48

約数和(自身を含む): 40340160

約数和(自身を除く): 20526124

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 137, 173, 209, 274, 346, 418, 548, 692, 836, 1507, 1903, 2603, 3014, 3287, 3806, 5206, 6028, 6574, 7612, 10412, 13148, 23701, 28633, 36157, 47402, 57266, 72314, 94804, 114532, 144628, 260711, 450319, 521422, 900638, 1042844, 1801276, 4953509, 9907018, 19814036]

約数ペア:

[(1, 19814036), (2, 9907018), (4, 4953509), (11, 1801276), (19, 1042844), (22, 900638), (38, 521422), (44, 450319), (76, 260711), (137, 144628), (173, 114532), (209, 94804), (274, 72314), (346, 57266), (418, 47402), (548, 36157), (692, 28633), (836, 23701), (1507, 13148), (1903, 10412), (2603, 7612), (3014, 6574), (3287, 6028), (3806, 5206)]