19473454

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:241

約数の個数: 64

約数和(自身を含む): 40061952

約数和(自身を除く): 20588498

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 71, 77, 91, 137, 142, 143, 154, 182, 274, 286, 497, 781, 923, 959, 994, 1001, 1507, 1562, 1781, 1846, 1918, 2002, 3014, 3562, 5467, 6461, 9727, 10153, 10549, 10934, 12467, 12922, 19454, 19591, 20306, 21098, 24934, 39182, 68089, 71071, 106997, 126451, 136178, 137137, 142142, 213994, 252902, 274274, 748979, 885157, 1390961, 1497958, 1770314, 2781922, 9736727, 19473454]

約数ペア:

[(1, 19473454), (2, 9736727), (7, 2781922), (11, 1770314), (13, 1497958), (14, 1390961), (22, 885157), (26, 748979), (71, 274274), (77, 252902), (91, 213994), (137, 142142), (142, 137137), (143, 136178), (154, 126451), (182, 106997), (274, 71071), (286, 68089), (497, 39182), (781, 24934), (923, 21098), (959, 20306), (994, 19591), (1001, 19454), (1507, 12922), (1562, 12467), (1781, 10934), (1846, 10549), (1918, 10153), (2002, 9727), (3014, 6461), (3562, 5467)]