19409910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{317}}^1$

素因数の和:497

約数の個数: 64

約数和(自身を含む): 50645952

約数和(自身を除く): 31236042

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 157, 195, 314, 317, 390, 471, 634, 785, 942, 951, 1570, 1585, 1902, 2041, 2355, 3170, 4082, 4121, 4710, 4755, 6123, 8242, 9510, 10205, 12246, 12363, 20410, 20605, 24726, 30615, 41210, 49769, 61230, 61815, 99538, 123630, 149307, 248845, 298614, 497690, 646997, 746535, 1293994, 1493070, 1940991, 3234985, 3881982, 6469970, 9704955, 19409910]

約数ペア:

[(1, 19409910), (2, 9704955), (3, 6469970), (5, 3881982), (6, 3234985), (10, 1940991), (13, 1493070), (15, 1293994), (26, 746535), (30, 646997), (39, 497690), (65, 298614), (78, 248845), (130, 149307), (157, 123630), (195, 99538), (314, 61815), (317, 61230), (390, 49769), (471, 41210), (634, 30615), (785, 24726), (942, 20605), (951, 20410), (1570, 12363), (1585, 12246), (1902, 10205), (2041, 9510), (2355, 8242), (3170, 6123), (4082, 4755), (4121, 4710)]