19108816

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{431}}^1$

素因数の和:619

約数の個数: 40

約数和(自身を含む): 39533184

約数和(自身を除く): 20424368

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 163, 272, 326, 431, 652, 862, 1304, 1724, 2608, 2771, 3448, 5542, 6896, 7327, 11084, 14654, 22168, 29308, 44336, 58616, 70253, 117232, 140506, 281012, 562024, 1124048, 1194301, 2388602, 4777204, 9554408, 19108816]

約数ペア:

[(1, 19108816), (2, 9554408), (4, 4777204), (8, 2388602), (16, 1194301), (17, 1124048), (34, 562024), (68, 281012), (136, 140506), (163, 117232), (272, 70253), (326, 58616), (431, 44336), (652, 29308), (862, 22168), (1304, 14654), (1724, 11084), (2608, 7327), (2771, 6896), (3448, 5542)]