19393738

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{113}}^1$

素因数の和:199

約数の個数: 64

約数和(自身を含む): 38610432

約数和(自身を除く): 19216694

約数列:

[1, 2, 7, 13, 14, 23, 26, 41, 46, 82, 91, 113, 161, 182, 226, 287, 299, 322, 533, 574, 598, 791, 943, 1066, 1469, 1582, 1886, 2093, 2599, 2938, 3731, 4186, 4633, 5198, 6601, 7462, 9266, 10283, 12259, 13202, 18193, 20566, 24518, 32431, 33787, 36386, 60229, 64862, 67574, 85813, 106559, 120458, 171626, 213118, 236509, 421603, 473018, 745913, 843206, 1385267, 1491826, 2770534, 9696869, 19393738]

約数ペア:

[(1, 19393738), (2, 9696869), (7, 2770534), (13, 1491826), (14, 1385267), (23, 843206), (26, 745913), (41, 473018), (46, 421603), (82, 236509), (91, 213118), (113, 171626), (161, 120458), (182, 106559), (226, 85813), (287, 67574), (299, 64862), (322, 60229), (533, 36386), (574, 33787), (598, 32431), (791, 24518), (943, 20566), (1066, 18193), (1469, 13202), (1582, 12259), (1886, 10283), (2093, 9266), (2599, 7462), (2938, 6601), (3731, 5198), (4186, 4633)]