18238320

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{347}}^1$

素因数の和:439

約数の個数: 120

約数和(自身を含む): 62268336

約数和(自身を除く): 44030016

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 73, 80, 90, 120, 144, 146, 180, 219, 240, 292, 347, 360, 365, 438, 584, 657, 694, 720, 730, 876, 1041, 1095, 1168, 1314, 1388, 1460, 1735, 1752, 2082, 2190, 2628, 2776, 2920, 3123, 3285, 3470, 3504, 4164, 4380, 5205, 5256, 5552, 5840, 6246, 6570, 6940, 8328, 8760, 10410, 10512, 12492, 13140, 13880, 15615, 16656, 17520, 20820, 24984, 25331, 26280, 27760, 31230, 41640, 49968, 50662, 52560, 62460, 75993, 83280, 101324, 124920, 126655, 151986, 202648, 227979, 249840, 253310, 303972, 379965, 405296, 455958, 506620, 607944, 759930, 911916, 1013240, 1139895, 1215888, 1519860, 1823832, 2026480, 2279790, 3039720, 3647664, 4559580, 6079440, 9119160, 18238320]

約数ペア:

[(1, 18238320), (2, 9119160), (3, 6079440), (4, 4559580), (5, 3647664), (6, 3039720), (8, 2279790), (9, 2026480), (10, 1823832), (12, 1519860), (15, 1215888), (16, 1139895), (18, 1013240), (20, 911916), (24, 759930), (30, 607944), (36, 506620), (40, 455958), (45, 405296), (48, 379965), (60, 303972), (72, 253310), (73, 249840), (80, 227979), (90, 202648), (120, 151986), (144, 126655), (146, 124920), (180, 101324), (219, 83280), (240, 75993), (292, 62460), (347, 52560), (360, 50662), (365, 49968), (438, 41640), (584, 31230), (657, 27760), (694, 26280), (720, 25331), (730, 24984), (876, 20820), (1041, 17520), (1095, 16656), (1168, 15615), (1314, 13880), (1388, 13140), (1460, 12492), (1735, 10512), (1752, 10410), (2082, 8760), (2190, 8328), (2628, 6940), (2776, 6570), (2920, 6246), (3123, 5840), (3285, 5552), (3470, 5256), (3504, 5205), (4164, 4380)]