19808658

素因数分解:

$2^1\times 3^3\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{389}}^1$

素因数の和:464

約数の個数: 64

約数和(自身を含む): 47174400

約数和(自身を除く): 27365742

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 41, 46, 54, 69, 82, 123, 138, 207, 246, 369, 389, 414, 621, 738, 778, 943, 1107, 1167, 1242, 1886, 2214, 2334, 2829, 3501, 5658, 7002, 8487, 8947, 10503, 15949, 16974, 17894, 21006, 25461, 26841, 31898, 47847, 50922, 53682, 80523, 95694, 143541, 161046, 241569, 287082, 366827, 430623, 483138, 733654, 861246, 1100481, 2200962, 3301443, 6602886, 9904329, 19808658]

約数ペア:

[(1, 19808658), (2, 9904329), (3, 6602886), (6, 3301443), (9, 2200962), (18, 1100481), (23, 861246), (27, 733654), (41, 483138), (46, 430623), (54, 366827), (69, 287082), (82, 241569), (123, 161046), (138, 143541), (207, 95694), (246, 80523), (369, 53682), (389, 50922), (414, 47847), (621, 31898), (738, 26841), (778, 25461), (943, 21006), (1107, 17894), (1167, 16974), (1242, 15949), (1886, 10503), (2214, 8947), (2334, 8487), (2829, 7002), (3501, 5658)]