19426743

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1$

素因数の和:189

約数の個数: 64

約数和(自身を含む): 35481600

約数和(自身を除く): 16054857

約数列:

[1, 3, 7, 9, 21, 23, 27, 41, 63, 69, 109, 123, 161, 189, 207, 287, 327, 369, 483, 621, 763, 861, 943, 981, 1107, 1449, 2289, 2507, 2583, 2829, 2943, 4347, 4469, 6601, 6867, 7521, 7749, 8487, 13407, 17549, 19803, 20601, 22563, 25461, 31283, 40221, 52647, 59409, 67689, 93849, 102787, 120663, 157941, 178227, 281547, 308361, 473823, 719509, 844641, 925083, 2158527, 2775249, 6475581, 19426743]

約数ペア:

[(1, 19426743), (3, 6475581), (7, 2775249), (9, 2158527), (21, 925083), (23, 844641), (27, 719509), (41, 473823), (63, 308361), (69, 281547), (109, 178227), (123, 157941), (161, 120663), (189, 102787), (207, 93849), (287, 67689), (327, 59409), (369, 52647), (483, 40221), (621, 31283), (763, 25461), (861, 22563), (943, 20601), (981, 19803), (1107, 17549), (1449, 13407), (2289, 8487), (2507, 7749), (2583, 7521), (2829, 6867), (2943, 6601), (4347, 4469)]