19946160

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2131}}^1$

素因数の和:2163

約数の個数: 120

約数和(自身を含む): 72172464

約数和(自身を除く): 52226304

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 104, 117, 120, 130, 144, 156, 180, 195, 208, 234, 240, 260, 312, 360, 390, 468, 520, 585, 624, 720, 780, 936, 1040, 1170, 1560, 1872, 2131, 2340, 3120, 4262, 4680, 6393, 8524, 9360, 10655, 12786, 17048, 19179, 21310, 25572, 27703, 31965, 34096, 38358, 42620, 51144, 55406, 63930, 76716, 83109, 85240, 95895, 102288, 110812, 127860, 138515, 153432, 166218, 170480, 191790, 221624, 249327, 255720, 277030, 306864, 332436, 383580, 415545, 443248, 498654, 511440, 554060, 664872, 767160, 831090, 997308, 1108120, 1246635, 1329744, 1534320, 1662180, 1994616, 2216240, 2493270, 3324360, 3989232, 4986540, 6648720, 9973080, 19946160]

約数ペア:

[(1, 19946160), (2, 9973080), (3, 6648720), (4, 4986540), (5, 3989232), (6, 3324360), (8, 2493270), (9, 2216240), (10, 1994616), (12, 1662180), (13, 1534320), (15, 1329744), (16, 1246635), (18, 1108120), (20, 997308), (24, 831090), (26, 767160), (30, 664872), (36, 554060), (39, 511440), (40, 498654), (45, 443248), (48, 415545), (52, 383580), (60, 332436), (65, 306864), (72, 277030), (78, 255720), (80, 249327), (90, 221624), (104, 191790), (117, 170480), (120, 166218), (130, 153432), (144, 138515), (156, 127860), (180, 110812), (195, 102288), (208, 95895), (234, 85240), (240, 83109), (260, 76716), (312, 63930), (360, 55406), (390, 51144), (468, 42620), (520, 38358), (585, 34096), (624, 31965), (720, 27703), (780, 25572), (936, 21310), (1040, 19179), (1170, 17048), (1560, 12786), (1872, 10655), (2131, 9360), (2340, 8524), (3120, 6393), (4262, 4680)]