18980832

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{227}}^1$

素因数の和:320

約数の個数: 96

約数和(自身を含む): 54698112

約数和(自身を除く): 35717280

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 67, 78, 96, 104, 134, 156, 201, 208, 227, 268, 312, 402, 416, 454, 536, 624, 681, 804, 871, 908, 1072, 1248, 1362, 1608, 1742, 1816, 2144, 2613, 2724, 2951, 3216, 3484, 3632, 5226, 5448, 5902, 6432, 6968, 7264, 8853, 10452, 10896, 11804, 13936, 15209, 17706, 20904, 21792, 23608, 27872, 30418, 35412, 41808, 45627, 47216, 60836, 70824, 83616, 91254, 94432, 121672, 141648, 182508, 197717, 243344, 283296, 365016, 395434, 486688, 593151, 730032, 790868, 1186302, 1460064, 1581736, 2372604, 3163472, 4745208, 6326944, 9490416, 18980832]

約数ペア:

[(1, 18980832), (2, 9490416), (3, 6326944), (4, 4745208), (6, 3163472), (8, 2372604), (12, 1581736), (13, 1460064), (16, 1186302), (24, 790868), (26, 730032), (32, 593151), (39, 486688), (48, 395434), (52, 365016), (67, 283296), (78, 243344), (96, 197717), (104, 182508), (134, 141648), (156, 121672), (201, 94432), (208, 91254), (227, 83616), (268, 70824), (312, 60836), (402, 47216), (416, 45627), (454, 41808), (536, 35412), (624, 30418), (681, 27872), (804, 23608), (871, 21792), (908, 20904), (1072, 17706), (1248, 15209), (1362, 13936), (1608, 11804), (1742, 10896), (1816, 10452), (2144, 8853), (2613, 7264), (2724, 6968), (2951, 6432), (3216, 5902), (3484, 5448), (3632, 5226)]