19431648

素因数分解:

$2^5\times 3^2\times {\mathrm{109}}^1\times {\mathrm{619}}^1$

素因数の和:744

約数の個数: 72

約数和(自身を含む): 55855800

約数和(自身を除く): 36424152

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 109, 144, 218, 288, 327, 436, 619, 654, 872, 981, 1238, 1308, 1744, 1857, 1962, 2476, 2616, 3488, 3714, 3924, 4952, 5232, 5571, 7428, 7848, 9904, 10464, 11142, 14856, 15696, 19808, 22284, 29712, 31392, 44568, 59424, 67471, 89136, 134942, 178272, 202413, 269884, 404826, 539768, 607239, 809652, 1079536, 1214478, 1619304, 2159072, 2428956, 3238608, 4857912, 6477216, 9715824, 19431648]

約数ペア:

[(1, 19431648), (2, 9715824), (3, 6477216), (4, 4857912), (6, 3238608), (8, 2428956), (9, 2159072), (12, 1619304), (16, 1214478), (18, 1079536), (24, 809652), (32, 607239), (36, 539768), (48, 404826), (72, 269884), (96, 202413), (109, 178272), (144, 134942), (218, 89136), (288, 67471), (327, 59424), (436, 44568), (619, 31392), (654, 29712), (872, 22284), (981, 19808), (1238, 15696), (1308, 14856), (1744, 11142), (1857, 10464), (1962, 9904), (2476, 7848), (2616, 7428), (3488, 5571), (3714, 5232), (3924, 4952)]