18780390

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{69557}}^1$

素因数の和:69573

約数の個数: 32

約数和(自身を含む): 50081760

約数和(自身を除く): 31301370

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 69557, 139114, 208671, 347785, 417342, 626013, 695570, 1043355, 1252026, 1878039, 2086710, 3130065, 3756078, 6260130, 9390195, 18780390]

約数ペア:

[(1, 18780390), (2, 9390195), (3, 6260130), (5, 3756078), (6, 3130065), (9, 2086710), (10, 1878039), (15, 1252026), (18, 1043355), (27, 695570), (30, 626013), (45, 417342), (54, 347785), (90, 208671), (135, 139114), (270, 69557)]