19774250

素因数分解:

$2^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1$

素因数の和:240

約数の個数: 64

約数和(自身を含む): 40884480

約数和(自身を除く): 21110230

約数列:

[1, 2, 5, 10, 19, 23, 25, 38, 46, 50, 95, 115, 125, 181, 190, 230, 250, 362, 437, 475, 575, 874, 905, 950, 1150, 1810, 2185, 2375, 2875, 3439, 4163, 4370, 4525, 4750, 5750, 6878, 8326, 9050, 10925, 17195, 20815, 21850, 22625, 34390, 41630, 45250, 54625, 79097, 85975, 104075, 109250, 158194, 171950, 208150, 395485, 429875, 520375, 790970, 859750, 1040750, 1977425, 3954850, 9887125, 19774250]

約数ペア:

[(1, 19774250), (2, 9887125), (5, 3954850), (10, 1977425), (19, 1040750), (23, 859750), (25, 790970), (38, 520375), (46, 429875), (50, 395485), (95, 208150), (115, 171950), (125, 158194), (181, 109250), (190, 104075), (230, 85975), (250, 79097), (362, 54625), (437, 45250), (475, 41630), (575, 34390), (874, 22625), (905, 21850), (950, 20815), (1150, 17195), (1810, 10925), (2185, 9050), (2375, 8326), (2875, 6878), (3439, 5750), (4163, 4750), (4370, 4525)]