19415331

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1$

素因数の和:204

約数の個数: 48

約数和(自身を含む): 32078592

約数和(自身を除く): 12663261

約数列:

[1, 3, 9, 13, 31, 39, 53, 93, 101, 117, 159, 279, 303, 403, 477, 689, 909, 1209, 1313, 1643, 2067, 3131, 3627, 3939, 4929, 5353, 6201, 9393, 11817, 14787, 16059, 21359, 28179, 40703, 48177, 64077, 69589, 122109, 165943, 192231, 208767, 366327, 497829, 626301, 1493487, 2157259, 6471777, 19415331]

約数ペア:

[(1, 19415331), (3, 6471777), (9, 2157259), (13, 1493487), (31, 626301), (39, 497829), (53, 366327), (93, 208767), (101, 192231), (117, 165943), (159, 122109), (279, 69589), (303, 64077), (403, 48177), (477, 40703), (689, 28179), (909, 21359), (1209, 16059), (1313, 14787), (1643, 11817), (2067, 9393), (3131, 6201), (3627, 5353), (3939, 4929)]