19902528

素因数分解:

$2^6\times 3^2\times {\mathrm{109}}^1\times {\mathrm{317}}^1$

素因数の和:444

約数の個数: 84

約数和(自身を含む): 57751980

約数和(自身を除く): 37849452

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 109, 144, 192, 218, 288, 317, 327, 436, 576, 634, 654, 872, 951, 981, 1268, 1308, 1744, 1902, 1962, 2536, 2616, 2853, 3488, 3804, 3924, 5072, 5232, 5706, 6976, 7608, 7848, 10144, 10464, 11412, 15216, 15696, 20288, 20928, 22824, 30432, 31392, 34553, 45648, 60864, 62784, 69106, 91296, 103659, 138212, 182592, 207318, 276424, 310977, 414636, 552848, 621954, 829272, 1105696, 1243908, 1658544, 2211392, 2487816, 3317088, 4975632, 6634176, 9951264, 19902528]

約数ペア:

[(1, 19902528), (2, 9951264), (3, 6634176), (4, 4975632), (6, 3317088), (8, 2487816), (9, 2211392), (12, 1658544), (16, 1243908), (18, 1105696), (24, 829272), (32, 621954), (36, 552848), (48, 414636), (64, 310977), (72, 276424), (96, 207318), (109, 182592), (144, 138212), (192, 103659), (218, 91296), (288, 69106), (317, 62784), (327, 60864), (436, 45648), (576, 34553), (634, 31392), (654, 30432), (872, 22824), (951, 20928), (981, 20288), (1268, 15696), (1308, 15216), (1744, 11412), (1902, 10464), (1962, 10144), (2536, 7848), (2616, 7608), (2853, 6976), (3488, 5706), (3804, 5232), (3924, 5072)]