19749030

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{599}}^1$

素因数の和:773

約数の個数: 64

約数和(自身を含む): 54604800

約数和(自身を除く): 34855770

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 157, 210, 314, 471, 599, 785, 942, 1099, 1198, 1570, 1797, 2198, 2355, 2995, 3297, 3594, 4193, 4710, 5495, 5990, 6594, 8386, 8985, 10990, 12579, 16485, 17970, 20965, 25158, 32970, 41930, 62895, 94043, 125790, 188086, 282129, 470215, 564258, 658301, 940430, 1316602, 1410645, 1974903, 2821290, 3291505, 3949806, 6583010, 9874515, 19749030]

約数ペア:

[(1, 19749030), (2, 9874515), (3, 6583010), (5, 3949806), (6, 3291505), (7, 2821290), (10, 1974903), (14, 1410645), (15, 1316602), (21, 940430), (30, 658301), (35, 564258), (42, 470215), (70, 282129), (105, 188086), (157, 125790), (210, 94043), (314, 62895), (471, 41930), (599, 32970), (785, 25158), (942, 20965), (1099, 17970), (1198, 16485), (1570, 12579), (1797, 10990), (2198, 8985), (2355, 8386), (2995, 6594), (3297, 5990), (3594, 5495), (4193, 4710)]