18189486

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{503}}^1$

素因数の和:566

約数の個数: 72

約数和(自身を含む): 47056464

約数和(自身を除く): 28866978

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 41, 42, 49, 63, 82, 98, 123, 126, 147, 246, 287, 294, 369, 441, 503, 574, 738, 861, 882, 1006, 1509, 1722, 2009, 2583, 3018, 3521, 4018, 4527, 5166, 6027, 7042, 9054, 10563, 12054, 18081, 20623, 21126, 24647, 31689, 36162, 41246, 49294, 61869, 63378, 73941, 123738, 144361, 147882, 185607, 221823, 288722, 371214, 433083, 443646, 866166, 1010527, 1299249, 2021054, 2598498, 3031581, 6063162, 9094743, 18189486]

約数ペア:

[(1, 18189486), (2, 9094743), (3, 6063162), (6, 3031581), (7, 2598498), (9, 2021054), (14, 1299249), (18, 1010527), (21, 866166), (41, 443646), (42, 433083), (49, 371214), (63, 288722), (82, 221823), (98, 185607), (123, 147882), (126, 144361), (147, 123738), (246, 73941), (287, 63378), (294, 61869), (369, 49294), (441, 41246), (503, 36162), (574, 31689), (738, 24647), (861, 21126), (882, 20623), (1006, 18081), (1509, 12054), (1722, 10563), (2009, 9054), (2583, 7042), (3018, 6027), (3521, 5166), (4018, 4527)]