19131308

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{487}}^1$

素因数の和:582

約数の個数: 48

約数和(自身を含む): 40664064

約数和(自身を除く): 21532756

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 61, 92, 122, 161, 244, 322, 427, 487, 644, 854, 974, 1403, 1708, 1948, 2806, 3409, 5612, 6818, 9821, 11201, 13636, 19642, 22402, 29707, 39284, 44804, 59414, 78407, 118828, 156814, 207949, 313628, 415898, 683261, 831796, 1366522, 2733044, 4782827, 9565654, 19131308]

約数ペア:

[(1, 19131308), (2, 9565654), (4, 4782827), (7, 2733044), (14, 1366522), (23, 831796), (28, 683261), (46, 415898), (61, 313628), (92, 207949), (122, 156814), (161, 118828), (244, 78407), (322, 59414), (427, 44804), (487, 39284), (644, 29707), (854, 22402), (974, 19642), (1403, 13636), (1708, 11201), (1948, 9821), (2806, 6818), (3409, 5612)]