17945970

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{881}}^1$

素因数の和:995

約数の個数: 64

約数和(自身を含む): 49787136

約数和(自身を除く): 31841166

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 97, 105, 194, 210, 291, 485, 582, 679, 881, 970, 1358, 1455, 1762, 2037, 2643, 2910, 3395, 4074, 4405, 5286, 6167, 6790, 8810, 10185, 12334, 13215, 18501, 20370, 26430, 30835, 37002, 61670, 85457, 92505, 170914, 185010, 256371, 427285, 512742, 598199, 854570, 1196398, 1281855, 1794597, 2563710, 2990995, 3589194, 5981990, 8972985, 17945970]

約数ペア:

[(1, 17945970), (2, 8972985), (3, 5981990), (5, 3589194), (6, 2990995), (7, 2563710), (10, 1794597), (14, 1281855), (15, 1196398), (21, 854570), (30, 598199), (35, 512742), (42, 427285), (70, 256371), (97, 185010), (105, 170914), (194, 92505), (210, 85457), (291, 61670), (485, 37002), (582, 30835), (679, 26430), (881, 20370), (970, 18501), (1358, 13215), (1455, 12334), (1762, 10185), (2037, 8810), (2643, 6790), (2910, 6167), (3395, 5286), (4074, 4405)]