18013600

素因数分解:

$2^5\times 5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1$

素因数の和:143

約数の個数: 144

約数和(自身を含む): 50621760

約数和(自身を除く): 32608160

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 25, 32, 40, 44, 46, 50, 55, 80, 88, 89, 92, 100, 110, 115, 160, 176, 178, 184, 200, 220, 230, 253, 275, 352, 356, 368, 400, 440, 445, 460, 506, 550, 575, 712, 736, 800, 880, 890, 920, 979, 1012, 1100, 1150, 1265, 1424, 1760, 1780, 1840, 1958, 2024, 2047, 2200, 2225, 2300, 2530, 2848, 3560, 3680, 3916, 4048, 4094, 4400, 4450, 4600, 4895, 5060, 6325, 7120, 7832, 8096, 8188, 8800, 8900, 9200, 9790, 10120, 10235, 12650, 14240, 15664, 16376, 17800, 18400, 19580, 20240, 20470, 22517, 24475, 25300, 31328, 32752, 35600, 39160, 40480, 40940, 45034, 48950, 50600, 51175, 65504, 71200, 78320, 81880, 90068, 97900, 101200, 102350, 112585, 156640, 163760, 180136, 195800, 202400, 204700, 225170, 327520, 360272, 391600, 409400, 450340, 562925, 720544, 783200, 818800, 900680, 1125850, 1637600, 1801360, 2251700, 3602720, 4503400, 9006800, 18013600]

約数ペア:

[(1, 18013600), (2, 9006800), (4, 4503400), (5, 3602720), (8, 2251700), (10, 1801360), (11, 1637600), (16, 1125850), (20, 900680), (22, 818800), (23, 783200), (25, 720544), (32, 562925), (40, 450340), (44, 409400), (46, 391600), (50, 360272), (55, 327520), (80, 225170), (88, 204700), (89, 202400), (92, 195800), (100, 180136), (110, 163760), (115, 156640), (160, 112585), (176, 102350), (178, 101200), (184, 97900), (200, 90068), (220, 81880), (230, 78320), (253, 71200), (275, 65504), (352, 51175), (356, 50600), (368, 48950), (400, 45034), (440, 40940), (445, 40480), (460, 39160), (506, 35600), (550, 32752), (575, 31328), (712, 25300), (736, 24475), (800, 22517), (880, 20470), (890, 20240), (920, 19580), (979, 18400), (1012, 17800), (1100, 16376), (1150, 15664), (1265, 14240), (1424, 12650), (1760, 10235), (1780, 10120), (1840, 9790), (1958, 9200), (2024, 8900), (2047, 8800), (2200, 8188), (2225, 8096), (2300, 7832), (2530, 7120), (2848, 6325), (3560, 5060), (3680, 4895), (3916, 4600), (4048, 4450), (4094, 4400)]