16188980

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{167}}^1$

素因数の和:344

約数の個数: 48

約数和(自身を含む): 35392896

約数和(自身を除く): 19203916

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 131, 148, 167, 185, 262, 334, 370, 524, 655, 668, 740, 835, 1310, 1670, 2620, 3340, 4847, 6179, 9694, 12358, 19388, 21877, 24235, 24716, 30895, 43754, 48470, 61790, 87508, 96940, 109385, 123580, 218770, 437540, 809449, 1618898, 3237796, 4047245, 8094490, 16188980]

約数ペア:

[(1, 16188980), (2, 8094490), (4, 4047245), (5, 3237796), (10, 1618898), (20, 809449), (37, 437540), (74, 218770), (131, 123580), (148, 109385), (167, 96940), (185, 87508), (262, 61790), (334, 48470), (370, 43754), (524, 30895), (655, 24716), (668, 24235), (740, 21877), (835, 19388), (1310, 12358), (1670, 9694), (2620, 6179), (3340, 4847)]