18751668

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1693}}^1$

素因数の和:1784

約数の個数: 48

約数和(自身を含む): 47811456

約数和(自身を除く): 29059788

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 71, 78, 142, 156, 213, 284, 426, 852, 923, 1693, 1846, 2769, 3386, 3692, 5079, 5538, 6772, 10158, 11076, 20316, 22009, 44018, 66027, 88036, 120203, 132054, 240406, 264108, 360609, 480812, 721218, 1442436, 1562639, 3125278, 4687917, 6250556, 9375834, 18751668]

約数ペア:

[(1, 18751668), (2, 9375834), (3, 6250556), (4, 4687917), (6, 3125278), (12, 1562639), (13, 1442436), (26, 721218), (39, 480812), (52, 360609), (71, 264108), (78, 240406), (142, 132054), (156, 120203), (213, 88036), (284, 66027), (426, 44018), (852, 22009), (923, 20316), (1693, 11076), (1846, 10158), (2769, 6772), (3386, 5538), (3692, 5079)]