18957934

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{199}}^1$

素因数の和:352

約数の個数: 32

約数和(自身を含む): 31680000

約数和(自身を除く): 12722066

約数列:

[1, 2, 19, 23, 38, 46, 109, 199, 218, 398, 437, 874, 2071, 2507, 3781, 4142, 4577, 5014, 7562, 9154, 21691, 43382, 47633, 86963, 95266, 173926, 412129, 498893, 824258, 997786, 9478967, 18957934]

約数ペア:

[(1, 18957934), (2, 9478967), (19, 997786), (23, 824258), (38, 498893), (46, 412129), (109, 173926), (199, 95266), (218, 86963), (398, 47633), (437, 43382), (874, 21691), (2071, 9154), (2507, 7562), (3781, 5014), (4142, 4577)]