16621808

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1$

素因数の和:214

約数の個数: 80

約数和(自身を含む): 39640320

約数和(自身を除く): 23018512

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 73, 76, 107, 112, 133, 146, 152, 214, 266, 292, 304, 428, 511, 532, 584, 749, 856, 1022, 1064, 1168, 1387, 1498, 1712, 2033, 2044, 2128, 2774, 2996, 4066, 4088, 5548, 5992, 7811, 8132, 8176, 9709, 11096, 11984, 14231, 15622, 16264, 19418, 22192, 28462, 31244, 32528, 38836, 54677, 56924, 62488, 77672, 109354, 113848, 124976, 148409, 155344, 218708, 227696, 296818, 437416, 593636, 874832, 1038863, 1187272, 2077726, 2374544, 4155452, 8310904, 16621808]

約数ペア:

[(1, 16621808), (2, 8310904), (4, 4155452), (7, 2374544), (8, 2077726), (14, 1187272), (16, 1038863), (19, 874832), (28, 593636), (38, 437416), (56, 296818), (73, 227696), (76, 218708), (107, 155344), (112, 148409), (133, 124976), (146, 113848), (152, 109354), (214, 77672), (266, 62488), (292, 56924), (304, 54677), (428, 38836), (511, 32528), (532, 31244), (584, 28462), (749, 22192), (856, 19418), (1022, 16264), (1064, 15622), (1168, 14231), (1387, 11984), (1498, 11096), (1712, 9709), (2033, 8176), (2044, 8132), (2128, 7811), (2774, 5992), (2996, 5548), (4066, 4088)]