19825568

素因数分解:

$2^5\times 7^1\times {\mathrm{67}}^1\times {\mathrm{1321}}^1$

素因数の和:1405

約数の個数: 48

約数和(自身を含む): 45307584

約数和(自身を除く): 25482016

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 67, 112, 134, 224, 268, 469, 536, 938, 1072, 1321, 1876, 2144, 2642, 3752, 5284, 7504, 9247, 10568, 15008, 18494, 21136, 36988, 42272, 73976, 88507, 147952, 177014, 295904, 354028, 619549, 708056, 1239098, 1416112, 2478196, 2832224, 4956392, 9912784, 19825568]

約数ペア:

[(1, 19825568), (2, 9912784), (4, 4956392), (7, 2832224), (8, 2478196), (14, 1416112), (16, 1239098), (28, 708056), (32, 619549), (56, 354028), (67, 295904), (112, 177014), (134, 147952), (224, 88507), (268, 73976), (469, 42272), (536, 36988), (938, 21136), (1072, 18494), (1321, 15008), (1876, 10568), (2144, 9247), (2642, 7504), (3752, 5284)]