18824540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1$

素因数の和:171

約数の個数: 96

約数和(自身を含む): 47900160

約数和(自身を除く): 29075620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 53, 59, 70, 86, 106, 118, 140, 172, 212, 215, 236, 265, 295, 301, 371, 413, 430, 530, 590, 602, 742, 826, 860, 1060, 1180, 1204, 1484, 1505, 1652, 1855, 2065, 2279, 2537, 3010, 3127, 3710, 4130, 4558, 5074, 6020, 6254, 7420, 8260, 9116, 10148, 11395, 12508, 12685, 15635, 15953, 17759, 21889, 22790, 25370, 31270, 31906, 35518, 43778, 45580, 50740, 62540, 63812, 71036, 79765, 87556, 88795, 109445, 134461, 159530, 177590, 218890, 268922, 319060, 355180, 437780, 537844, 672305, 941227, 1344610, 1882454, 2689220, 3764908, 4706135, 9412270, 18824540]

約数ペア:

[(1, 18824540), (2, 9412270), (4, 4706135), (5, 3764908), (7, 2689220), (10, 1882454), (14, 1344610), (20, 941227), (28, 672305), (35, 537844), (43, 437780), (53, 355180), (59, 319060), (70, 268922), (86, 218890), (106, 177590), (118, 159530), (140, 134461), (172, 109445), (212, 88795), (215, 87556), (236, 79765), (265, 71036), (295, 63812), (301, 62540), (371, 50740), (413, 45580), (430, 43778), (530, 35518), (590, 31906), (602, 31270), (742, 25370), (826, 22790), (860, 21889), (1060, 17759), (1180, 15953), (1204, 15635), (1484, 12685), (1505, 12508), (1652, 11395), (1855, 10148), (2065, 9116), (2279, 8260), (2537, 7420), (3010, 6254), (3127, 6020), (3710, 5074), (4130, 4558)]