18993906

素因数分解:

$2^1\times 3^3\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{373}}^1$

素因数の和:448

約数の個数: 64

約数和(自身を含む): 45239040

約数和(自身を除く): 26245134

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 41, 46, 54, 69, 82, 123, 138, 207, 246, 369, 373, 414, 621, 738, 746, 943, 1107, 1119, 1242, 1886, 2214, 2238, 2829, 3357, 5658, 6714, 8487, 8579, 10071, 15293, 16974, 17158, 20142, 25461, 25737, 30586, 45879, 50922, 51474, 77211, 91758, 137637, 154422, 231633, 275274, 351739, 412911, 463266, 703478, 825822, 1055217, 2110434, 3165651, 6331302, 9496953, 18993906]

約数ペア:

[(1, 18993906), (2, 9496953), (3, 6331302), (6, 3165651), (9, 2110434), (18, 1055217), (23, 825822), (27, 703478), (41, 463266), (46, 412911), (54, 351739), (69, 275274), (82, 231633), (123, 154422), (138, 137637), (207, 91758), (246, 77211), (369, 51474), (373, 50922), (414, 45879), (621, 30586), (738, 25737), (746, 25461), (943, 20142), (1107, 17158), (1119, 16974), (1242, 15293), (1886, 10071), (2214, 8579), (2238, 8487), (2829, 6714), (3357, 5658)]