19474840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{6323}}^1$

素因数の和:6352

約数の個数: 64

約数和(自身を含む): 54639360

約数和(自身を除く): 35164520

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 6323, 12646, 25292, 31615, 44261, 50584, 63230, 69553, 88522, 126460, 139106, 177044, 221305, 252920, 278212, 347765, 354088, 442610, 486871, 556424, 695530, 885220, 973742, 1391060, 1770440, 1947484, 2434355, 2782120, 3894968, 4868710, 9737420, 19474840]

約数ペア:

[(1, 19474840), (2, 9737420), (4, 4868710), (5, 3894968), (7, 2782120), (8, 2434355), (10, 1947484), (11, 1770440), (14, 1391060), (20, 973742), (22, 885220), (28, 695530), (35, 556424), (40, 486871), (44, 442610), (55, 354088), (56, 347765), (70, 278212), (77, 252920), (88, 221305), (110, 177044), (140, 139106), (154, 126460), (220, 88522), (280, 69553), (308, 63230), (385, 50584), (440, 44261), (616, 31615), (770, 25292), (1540, 12646), (3080, 6323)]