19945535906

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{571}}^1\times {\mathrm{27767}}^1$

素因数の和:28394

約数の個数: 32

約数和(自身を含む): 32592523392

約数和(自身を除く): 12646987486

約数列:

[1, 2, 17, 34, 37, 74, 571, 629, 1142, 1258, 9707, 19414, 21127, 27767, 42254, 55534, 359159, 472039, 718318, 944078, 1027379, 2054758, 15854957, 17465443, 31709914, 34930886, 269534269, 539068538, 586633409, 1173266818, 9972767953, 19945535906]

約数ペア:

[(1, 19945535906), (2, 9972767953), (17, 1173266818), (34, 586633409), (37, 539068538), (74, 269534269), (571, 34930886), (629, 31709914), (1142, 17465443), (1258, 15854957), (9707, 2054758), (19414, 1027379), (21127, 944078), (27767, 718318), (42254, 472039), (55534, 359159)]