18883920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{311}}^1$

素因数の和:361

約数の個数: 160

約数和(自身を含む): 66852864

約数和(自身を除く): 47968944

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 23, 24, 30, 33, 40, 44, 46, 48, 55, 60, 66, 69, 80, 88, 92, 110, 115, 120, 132, 138, 165, 176, 184, 220, 230, 240, 253, 264, 276, 311, 330, 345, 368, 440, 460, 506, 528, 552, 622, 660, 690, 759, 880, 920, 933, 1012, 1104, 1244, 1265, 1320, 1380, 1518, 1555, 1840, 1866, 2024, 2488, 2530, 2640, 2760, 3036, 3110, 3421, 3732, 3795, 4048, 4665, 4976, 5060, 5520, 6072, 6220, 6842, 7153, 7464, 7590, 9330, 10120, 10263, 12144, 12440, 13684, 14306, 14928, 15180, 17105, 18660, 20240, 20526, 21459, 24880, 27368, 28612, 30360, 34210, 35765, 37320, 41052, 42918, 51315, 54736, 57224, 60720, 68420, 71530, 74640, 78683, 82104, 85836, 102630, 107295, 114448, 136840, 143060, 157366, 164208, 171672, 205260, 214590, 236049, 273680, 286120, 314732, 343344, 393415, 410520, 429180, 472098, 572240, 629464, 786830, 821040, 858360, 944196, 1180245, 1258928, 1573660, 1716720, 1888392, 2360490, 3147320, 3776784, 4720980, 6294640, 9441960, 18883920]

約数ペア:

[(1, 18883920), (2, 9441960), (3, 6294640), (4, 4720980), (5, 3776784), (6, 3147320), (8, 2360490), (10, 1888392), (11, 1716720), (12, 1573660), (15, 1258928), (16, 1180245), (20, 944196), (22, 858360), (23, 821040), (24, 786830), (30, 629464), (33, 572240), (40, 472098), (44, 429180), (46, 410520), (48, 393415), (55, 343344), (60, 314732), (66, 286120), (69, 273680), (80, 236049), (88, 214590), (92, 205260), (110, 171672), (115, 164208), (120, 157366), (132, 143060), (138, 136840), (165, 114448), (176, 107295), (184, 102630), (220, 85836), (230, 82104), (240, 78683), (253, 74640), (264, 71530), (276, 68420), (311, 60720), (330, 57224), (345, 54736), (368, 51315), (440, 42918), (460, 41052), (506, 37320), (528, 35765), (552, 34210), (622, 30360), (660, 28612), (690, 27368), (759, 24880), (880, 21459), (920, 20526), (933, 20240), (1012, 18660), (1104, 17105), (1244, 15180), (1265, 14928), (1320, 14306), (1380, 13684), (1518, 12440), (1555, 12144), (1840, 10263), (1866, 10120), (2024, 9330), (2488, 7590), (2530, 7464), (2640, 7153), (2760, 6842), (3036, 6220), (3110, 6072), (3421, 5520), (3732, 5060), (3795, 4976), (4048, 4665)]