18759930

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{569}}^1$

素因数の和:743

約数の個数: 64

約数和(自身を含む): 51874560

約数和(自身を除く): 33114630

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 157, 210, 314, 471, 569, 785, 942, 1099, 1138, 1570, 1707, 2198, 2355, 2845, 3297, 3414, 3983, 4710, 5495, 5690, 6594, 7966, 8535, 10990, 11949, 16485, 17070, 19915, 23898, 32970, 39830, 59745, 89333, 119490, 178666, 267999, 446665, 535998, 625331, 893330, 1250662, 1339995, 1875993, 2679990, 3126655, 3751986, 6253310, 9379965, 18759930]

約数ペア:

[(1, 18759930), (2, 9379965), (3, 6253310), (5, 3751986), (6, 3126655), (7, 2679990), (10, 1875993), (14, 1339995), (15, 1250662), (21, 893330), (30, 625331), (35, 535998), (42, 446665), (70, 267999), (105, 178666), (157, 119490), (210, 89333), (314, 59745), (471, 39830), (569, 32970), (785, 23898), (942, 19915), (1099, 17070), (1138, 16485), (1570, 11949), (1707, 10990), (2198, 8535), (2355, 7966), (2845, 6594), (3297, 5690), (3414, 5495), (3983, 4710)]