19203376

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{349}}^1$

素因数の和:557

約数の個数: 40

約数和(自身を含む): 39494000

約数和(自身を除く): 20290624

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 181, 304, 349, 362, 698, 724, 1396, 1448, 2792, 2896, 3439, 5584, 6631, 6878, 13262, 13756, 26524, 27512, 53048, 55024, 63169, 106096, 126338, 252676, 505352, 1010704, 1200211, 2400422, 4800844, 9601688, 19203376]

約数ペア:

[(1, 19203376), (2, 9601688), (4, 4800844), (8, 2400422), (16, 1200211), (19, 1010704), (38, 505352), (76, 252676), (152, 126338), (181, 106096), (304, 63169), (349, 55024), (362, 53048), (698, 27512), (724, 26524), (1396, 13756), (1448, 13262), (2792, 6878), (2896, 6631), (3439, 5584)]