1821437392

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{331}}^1\times {\mathrm{20231}}^1$

素因数の和:20587

約数の個数: 40

約数和(自身を含む): 3748099392

約数和(自身を除く): 1926662000

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 331, 662, 1324, 2648, 5296, 5627, 11254, 20231, 22508, 40462, 45016, 80924, 90032, 161848, 323696, 343927, 687854, 1375708, 2751416, 5502832, 6696461, 13392922, 26785844, 53571688, 107143376, 113839837, 227679674, 455359348, 910718696, 1821437392]

約数ペア:

[(1, 1821437392), (2, 910718696), (4, 455359348), (8, 227679674), (16, 113839837), (17, 107143376), (34, 53571688), (68, 26785844), (136, 13392922), (272, 6696461), (331, 5502832), (662, 2751416), (1324, 1375708), (2648, 687854), (5296, 343927), (5627, 323696), (11254, 161848), (20231, 90032), (22508, 80924), (40462, 45016)]