19660976

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{41}}^2\times {\mathrm{43}}^1$

素因数の和:150

約数の個数: 60

約数和(自身を含む): 42303096

約数和(自身を除く): 22642120

約数列:

[1, 2, 4, 8, 16, 17, 34, 41, 43, 68, 82, 86, 136, 164, 172, 272, 328, 344, 656, 688, 697, 731, 1394, 1462, 1681, 1763, 2788, 2924, 3362, 3526, 5576, 5848, 6724, 7052, 11152, 11696, 13448, 14104, 26896, 28208, 28577, 29971, 57154, 59942, 72283, 114308, 119884, 144566, 228616, 239768, 289132, 457232, 479536, 578264, 1156528, 1228811, 2457622, 4915244, 9830488, 19660976]

約数ペア:

[(1, 19660976), (2, 9830488), (4, 4915244), (8, 2457622), (16, 1228811), (17, 1156528), (34, 578264), (41, 479536), (43, 457232), (68, 289132), (82, 239768), (86, 228616), (136, 144566), (164, 119884), (172, 114308), (272, 72283), (328, 59942), (344, 57154), (656, 29971), (688, 28577), (697, 28208), (731, 26896), (1394, 14104), (1462, 13448), (1681, 11696), (1763, 11152), (2788, 7052), (2924, 6724), (3362, 5848), (3526, 5576)]