19643448

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{2011}}^1$

素因数の和:2068

約数の個数: 64

約数和(自身を含む): 55048320

約数和(自身を除く): 35404872

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 37, 44, 66, 74, 88, 111, 132, 148, 222, 264, 296, 407, 444, 814, 888, 1221, 1628, 2011, 2442, 3256, 4022, 4884, 6033, 8044, 9768, 12066, 16088, 22121, 24132, 44242, 48264, 66363, 74407, 88484, 132726, 148814, 176968, 223221, 265452, 297628, 446442, 530904, 595256, 818477, 892884, 1636954, 1785768, 2455431, 3273908, 4910862, 6547816, 9821724, 19643448]

約数ペア:

[(1, 19643448), (2, 9821724), (3, 6547816), (4, 4910862), (6, 3273908), (8, 2455431), (11, 1785768), (12, 1636954), (22, 892884), (24, 818477), (33, 595256), (37, 530904), (44, 446442), (66, 297628), (74, 265452), (88, 223221), (111, 176968), (132, 148814), (148, 132726), (222, 88484), (264, 74407), (296, 66363), (407, 48264), (444, 44242), (814, 24132), (888, 22121), (1221, 16088), (1628, 12066), (2011, 9768), (2442, 8044), (3256, 6033), (4022, 4884)]