19957548

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^3\times {\mathrm{757}}^1$

素因数の和:803

約数の個数: 48

約数和(自身を含む): 50513120

約数和(自身を除く): 30555572

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 169, 338, 507, 676, 757, 1014, 1514, 2028, 2197, 2271, 3028, 4394, 4542, 6591, 8788, 9084, 9841, 13182, 19682, 26364, 29523, 39364, 59046, 118092, 127933, 255866, 383799, 511732, 767598, 1535196, 1663129, 3326258, 4989387, 6652516, 9978774, 19957548]

約数ペア:

[(1, 19957548), (2, 9978774), (3, 6652516), (4, 4989387), (6, 3326258), (12, 1663129), (13, 1535196), (26, 767598), (39, 511732), (52, 383799), (78, 255866), (156, 127933), (169, 118092), (338, 59046), (507, 39364), (676, 29523), (757, 26364), (1014, 19682), (1514, 13182), (2028, 9841), (2197, 9084), (2271, 8788), (3028, 6591), (4394, 4542)]