18233460

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{499}}^1$

素因数の和:550

約数の個数: 144

約数和(自身を含む): 65520000

約数和(自身を除く): 47286540

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 29, 30, 35, 36, 42, 45, 58, 60, 63, 70, 84, 87, 90, 105, 116, 126, 140, 145, 174, 180, 203, 210, 252, 261, 290, 315, 348, 406, 420, 435, 499, 522, 580, 609, 630, 812, 870, 998, 1015, 1044, 1218, 1260, 1305, 1497, 1740, 1827, 1996, 2030, 2436, 2495, 2610, 2994, 3045, 3493, 3654, 4060, 4491, 4990, 5220, 5988, 6090, 6986, 7308, 7485, 8982, 9135, 9980, 10479, 12180, 13972, 14471, 14970, 17465, 17964, 18270, 20958, 22455, 28942, 29940, 31437, 34930, 36540, 41916, 43413, 44910, 52395, 57884, 62874, 69860, 72355, 86826, 89820, 101297, 104790, 125748, 130239, 144710, 157185, 173652, 202594, 209580, 217065, 260478, 289420, 303891, 314370, 405188, 434130, 506485, 520956, 607782, 628740, 651195, 868260, 911673, 1012970, 1215564, 1302390, 1519455, 1823346, 2025940, 2604780, 3038910, 3646692, 4558365, 6077820, 9116730, 18233460]

約数ペア:

[(1, 18233460), (2, 9116730), (3, 6077820), (4, 4558365), (5, 3646692), (6, 3038910), (7, 2604780), (9, 2025940), (10, 1823346), (12, 1519455), (14, 1302390), (15, 1215564), (18, 1012970), (20, 911673), (21, 868260), (28, 651195), (29, 628740), (30, 607782), (35, 520956), (36, 506485), (42, 434130), (45, 405188), (58, 314370), (60, 303891), (63, 289420), (70, 260478), (84, 217065), (87, 209580), (90, 202594), (105, 173652), (116, 157185), (126, 144710), (140, 130239), (145, 125748), (174, 104790), (180, 101297), (203, 89820), (210, 86826), (252, 72355), (261, 69860), (290, 62874), (315, 57884), (348, 52395), (406, 44910), (420, 43413), (435, 41916), (499, 36540), (522, 34930), (580, 31437), (609, 29940), (630, 28942), (812, 22455), (870, 20958), (998, 18270), (1015, 17964), (1044, 17465), (1218, 14970), (1260, 14471), (1305, 13972), (1497, 12180), (1740, 10479), (1827, 9980), (1996, 9135), (2030, 8982), (2436, 7485), (2495, 7308), (2610, 6986), (2994, 6090), (3045, 5988), (3493, 5220), (3654, 4990), (4060, 4491)]