19512280

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{167}}^1$

素因数の和:328

約数の個数: 64

約数和(自身を含む): 46448640

約数和(自身を除く): 26936360

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 127, 167, 184, 230, 254, 334, 460, 508, 635, 668, 835, 920, 1016, 1270, 1336, 1670, 2540, 2921, 3340, 3841, 5080, 5842, 6680, 7682, 11684, 14605, 15364, 19205, 21209, 23368, 29210, 30728, 38410, 42418, 58420, 76820, 84836, 106045, 116840, 153640, 169672, 212090, 424180, 487807, 848360, 975614, 1951228, 2439035, 3902456, 4878070, 9756140, 19512280]

約数ペア:

[(1, 19512280), (2, 9756140), (4, 4878070), (5, 3902456), (8, 2439035), (10, 1951228), (20, 975614), (23, 848360), (40, 487807), (46, 424180), (92, 212090), (115, 169672), (127, 153640), (167, 116840), (184, 106045), (230, 84836), (254, 76820), (334, 58420), (460, 42418), (508, 38410), (635, 30728), (668, 29210), (835, 23368), (920, 21209), (1016, 19205), (1270, 15364), (1336, 14605), (1670, 11684), (2540, 7682), (2921, 6680), (3340, 5842), (3841, 5080)]