19654512

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{937}}^1$

素因数の和:990

約数の個数: 80

約数和(自身を含む): 55829760

約数和(自身を除く): 36175248

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 23, 24, 38, 46, 48, 57, 69, 76, 92, 114, 138, 152, 184, 228, 276, 304, 368, 437, 456, 552, 874, 912, 937, 1104, 1311, 1748, 1874, 2622, 2811, 3496, 3748, 5244, 5622, 6992, 7496, 10488, 11244, 14992, 17803, 20976, 21551, 22488, 35606, 43102, 44976, 53409, 64653, 71212, 86204, 106818, 129306, 142424, 172408, 213636, 258612, 284848, 344816, 409469, 427272, 517224, 818938, 854544, 1034448, 1228407, 1637876, 2456814, 3275752, 4913628, 6551504, 9827256, 19654512]

約数ペア:

[(1, 19654512), (2, 9827256), (3, 6551504), (4, 4913628), (6, 3275752), (8, 2456814), (12, 1637876), (16, 1228407), (19, 1034448), (23, 854544), (24, 818938), (38, 517224), (46, 427272), (48, 409469), (57, 344816), (69, 284848), (76, 258612), (92, 213636), (114, 172408), (138, 142424), (152, 129306), (184, 106818), (228, 86204), (276, 71212), (304, 64653), (368, 53409), (437, 44976), (456, 43102), (552, 35606), (874, 22488), (912, 21551), (937, 20976), (1104, 17803), (1311, 14992), (1748, 11244), (1874, 10488), (2622, 7496), (2811, 6992), (3496, 5622), (3748, 5244)]