16189420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{877}}^1$

素因数の和:970

約数の個数: 48

約数和(自身を含む): 37171008

約数和(自身を除く): 20981588

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 71, 130, 142, 260, 284, 355, 710, 877, 923, 1420, 1754, 1846, 3508, 3692, 4385, 4615, 8770, 9230, 11401, 17540, 18460, 22802, 45604, 57005, 62267, 114010, 124534, 228020, 249068, 311335, 622670, 809471, 1245340, 1618942, 3237884, 4047355, 8094710, 16189420]

約数ペア:

[(1, 16189420), (2, 8094710), (4, 4047355), (5, 3237884), (10, 1618942), (13, 1245340), (20, 809471), (26, 622670), (52, 311335), (65, 249068), (71, 228020), (130, 124534), (142, 114010), (260, 62267), (284, 57005), (355, 45604), (710, 22802), (877, 18460), (923, 17540), (1420, 11401), (1754, 9230), (1846, 8770), (3508, 4615), (3692, 4385)]