19487985

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{1423}}^1$

素因数の和:1525

約数の個数: 32

約数和(自身を含む): 34449408

約数和(自身を除く): 14961423

約数列:

[1, 3, 5, 11, 15, 33, 55, 83, 165, 249, 415, 913, 1245, 1423, 2739, 4269, 4565, 7115, 13695, 15653, 21345, 46959, 78265, 118109, 234795, 354327, 590545, 1299199, 1771635, 3897597, 6495995, 19487985]

約数ペア:

[(1, 19487985), (3, 6495995), (5, 3897597), (11, 1771635), (15, 1299199), (33, 590545), (55, 354327), (83, 234795), (165, 118109), (249, 78265), (415, 46959), (913, 21345), (1245, 15653), (1423, 13695), (2739, 7115), (4269, 4565)]