19889064

素因数分解:

$2^3\times 3^5\times {\mathrm{13}}^1\times {\mathrm{787}}^1$

素因数の和:821

約数の個数: 96

約数和(自身を含む): 60234720

約数和(自身を除く): 40345656

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 52, 54, 72, 78, 81, 104, 108, 117, 156, 162, 216, 234, 243, 312, 324, 351, 468, 486, 648, 702, 787, 936, 972, 1053, 1404, 1574, 1944, 2106, 2361, 2808, 3148, 3159, 4212, 4722, 6296, 6318, 7083, 8424, 9444, 10231, 12636, 14166, 18888, 20462, 21249, 25272, 28332, 30693, 40924, 42498, 56664, 61386, 63747, 81848, 84996, 92079, 122772, 127494, 169992, 184158, 191241, 245544, 254988, 276237, 368316, 382482, 509976, 552474, 736632, 764964, 828711, 1104948, 1529928, 1657422, 2209896, 2486133, 3314844, 4972266, 6629688, 9944532, 19889064]

約数ペア:

[(1, 19889064), (2, 9944532), (3, 6629688), (4, 4972266), (6, 3314844), (8, 2486133), (9, 2209896), (12, 1657422), (13, 1529928), (18, 1104948), (24, 828711), (26, 764964), (27, 736632), (36, 552474), (39, 509976), (52, 382482), (54, 368316), (72, 276237), (78, 254988), (81, 245544), (104, 191241), (108, 184158), (117, 169992), (156, 127494), (162, 122772), (216, 92079), (234, 84996), (243, 81848), (312, 63747), (324, 61386), (351, 56664), (468, 42498), (486, 40924), (648, 30693), (702, 28332), (787, 25272), (936, 21249), (972, 20462), (1053, 18888), (1404, 14166), (1574, 12636), (1944, 10231), (2106, 9444), (2361, 8424), (2808, 7083), (3148, 6318), (3159, 6296), (4212, 4722)]