19337560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{619}}^1$

素因数の和:712

約数の個数: 64

約数和(自身を含む): 48211200

約数和(自身を除く): 28873640

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 71, 88, 110, 142, 220, 284, 355, 440, 568, 619, 710, 781, 1238, 1420, 1562, 2476, 2840, 3095, 3124, 3905, 4952, 6190, 6248, 6809, 7810, 12380, 13618, 15620, 24760, 27236, 31240, 34045, 43949, 54472, 68090, 87898, 136180, 175796, 219745, 272360, 351592, 439490, 483439, 878980, 966878, 1757960, 1933756, 2417195, 3867512, 4834390, 9668780, 19337560]

約数ペア:

[(1, 19337560), (2, 9668780), (4, 4834390), (5, 3867512), (8, 2417195), (10, 1933756), (11, 1757960), (20, 966878), (22, 878980), (40, 483439), (44, 439490), (55, 351592), (71, 272360), (88, 219745), (110, 175796), (142, 136180), (220, 87898), (284, 68090), (355, 54472), (440, 43949), (568, 34045), (619, 31240), (710, 27236), (781, 24760), (1238, 15620), (1420, 13618), (1562, 12380), (2476, 7810), (2840, 6809), (3095, 6248), (3124, 6190), (3905, 4952)]