18990432

素因数分解:

$2^5\times 3^2\times {\mathrm{233}}^1\times {\mathrm{283}}^1$

素因数の和:532

約数の個数: 72

約数和(自身を含む): 54427464

約数和(自身を除く): 35437032

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 233, 283, 288, 466, 566, 699, 849, 932, 1132, 1398, 1698, 1864, 2097, 2264, 2547, 2796, 3396, 3728, 4194, 4528, 5094, 5592, 6792, 7456, 8388, 9056, 10188, 11184, 13584, 16776, 20376, 22368, 27168, 33552, 40752, 65939, 67104, 81504, 131878, 197817, 263756, 395634, 527512, 593451, 791268, 1055024, 1186902, 1582536, 2110048, 2373804, 3165072, 4747608, 6330144, 9495216, 18990432]

約数ペア:

[(1, 18990432), (2, 9495216), (3, 6330144), (4, 4747608), (6, 3165072), (8, 2373804), (9, 2110048), (12, 1582536), (16, 1186902), (18, 1055024), (24, 791268), (32, 593451), (36, 527512), (48, 395634), (72, 263756), (96, 197817), (144, 131878), (233, 81504), (283, 67104), (288, 65939), (466, 40752), (566, 33552), (699, 27168), (849, 22368), (932, 20376), (1132, 16776), (1398, 13584), (1698, 11184), (1864, 10188), (2097, 9056), (2264, 8388), (2547, 7456), (2796, 6792), (3396, 5592), (3728, 5094), (4194, 4528)]