19347944

素因数分解:

$2^3\times 7^3\times {\mathrm{11}}^1\times {\mathrm{641}}^1$

素因数の和:679

約数の個数: 64

約数和(自身を含む): 46224000

約数和(自身を除く): 26876056

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 49, 56, 77, 88, 98, 154, 196, 308, 343, 392, 539, 616, 641, 686, 1078, 1282, 1372, 2156, 2564, 2744, 3773, 4312, 4487, 5128, 7051, 7546, 8974, 14102, 15092, 17948, 28204, 30184, 31409, 35896, 49357, 56408, 62818, 98714, 125636, 197428, 219863, 251272, 345499, 394856, 439726, 690998, 879452, 1381996, 1758904, 2418493, 2763992, 4836986, 9673972, 19347944]

約数ペア:

[(1, 19347944), (2, 9673972), (4, 4836986), (7, 2763992), (8, 2418493), (11, 1758904), (14, 1381996), (22, 879452), (28, 690998), (44, 439726), (49, 394856), (56, 345499), (77, 251272), (88, 219863), (98, 197428), (154, 125636), (196, 98714), (308, 62818), (343, 56408), (392, 49357), (539, 35896), (616, 31409), (641, 30184), (686, 28204), (1078, 17948), (1282, 15092), (1372, 14102), (2156, 8974), (2564, 7546), (2744, 7051), (3773, 5128), (4312, 4487)]