19492047351

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{27647}}^1$

素因数の和:27729

約数の個数: 72

約数和(自身を含む): 35056779264

約数和(自身を除く): 15564731913

約数列:

[1, 3, 7, 9, 19, 21, 31, 57, 63, 93, 133, 171, 217, 279, 361, 399, 589, 651, 1083, 1197, 1767, 1953, 2527, 3249, 4123, 5301, 7581, 11191, 12369, 22743, 27647, 33573, 37107, 78337, 82941, 100719, 193529, 235011, 248823, 525293, 580587, 705033, 857057, 1575879, 1741761, 2571171, 3677051, 4727637, 5999399, 7713513, 9980567, 11031153, 16284083, 17998197, 29941701, 33093459, 48852249, 53994591, 69863969, 89825103, 113988581, 146556747, 209591907, 309397577, 341965743, 628775721, 928192731, 1025897229, 2165783039, 2784578193, 6497349117, 19492047351]

約数ペア:

[(1, 19492047351), (3, 6497349117), (7, 2784578193), (9, 2165783039), (19, 1025897229), (21, 928192731), (31, 628775721), (57, 341965743), (63, 309397577), (93, 209591907), (133, 146556747), (171, 113988581), (217, 89825103), (279, 69863969), (361, 53994591), (399, 48852249), (589, 33093459), (651, 29941701), (1083, 17998197), (1197, 16284083), (1767, 11031153), (1953, 9980567), (2527, 7713513), (3249, 5999399), (4123, 4727637), (5301, 3677051), (7581, 2571171), (11191, 1741761), (12369, 1575879), (22743, 857057), (27647, 705033), (33573, 580587), (37107, 525293), (78337, 248823), (82941, 235011), (100719, 193529)]