19756440

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1663}}^1$

素因数の和:1694

約数の個数: 128

約数和(自身を含む): 71884800

約数和(自身を除く): 52128360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 27, 30, 33, 36, 40, 44, 45, 54, 55, 60, 66, 72, 88, 90, 99, 108, 110, 120, 132, 135, 165, 180, 198, 216, 220, 264, 270, 297, 330, 360, 396, 440, 495, 540, 594, 660, 792, 990, 1080, 1188, 1320, 1485, 1663, 1980, 2376, 2970, 3326, 3960, 4989, 5940, 6652, 8315, 9978, 11880, 13304, 14967, 16630, 18293, 19956, 24945, 29934, 33260, 36586, 39912, 44901, 49890, 54879, 59868, 66520, 73172, 74835, 89802, 91465, 99780, 109758, 119736, 146344, 149670, 164637, 179604, 182930, 199560, 219516, 224505, 274395, 299340, 329274, 359208, 365860, 439032, 449010, 493911, 548790, 598680, 658548, 731720, 823185, 898020, 987822, 1097580, 1317096, 1646370, 1796040, 1975644, 2195160, 2469555, 3292740, 3951288, 4939110, 6585480, 9878220, 19756440]

約数ペア:

[(1, 19756440), (2, 9878220), (3, 6585480), (4, 4939110), (5, 3951288), (6, 3292740), (8, 2469555), (9, 2195160), (10, 1975644), (11, 1796040), (12, 1646370), (15, 1317096), (18, 1097580), (20, 987822), (22, 898020), (24, 823185), (27, 731720), (30, 658548), (33, 598680), (36, 548790), (40, 493911), (44, 449010), (45, 439032), (54, 365860), (55, 359208), (60, 329274), (66, 299340), (72, 274395), (88, 224505), (90, 219516), (99, 199560), (108, 182930), (110, 179604), (120, 164637), (132, 149670), (135, 146344), (165, 119736), (180, 109758), (198, 99780), (216, 91465), (220, 89802), (264, 74835), (270, 73172), (297, 66520), (330, 59868), (360, 54879), (396, 49890), (440, 44901), (495, 39912), (540, 36586), (594, 33260), (660, 29934), (792, 24945), (990, 19956), (1080, 18293), (1188, 16630), (1320, 14967), (1485, 13304), (1663, 11880), (1980, 9978), (2376, 8315), (2970, 6652), (3326, 5940), (3960, 4989)]