19690970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{907}}^1$

素因数の和:1094

約数の個数: 32

約数和(自身を含む): 38441088

約数和(自身を除く): 18750118

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 167, 334, 835, 907, 1670, 1814, 2171, 4342, 4535, 9070, 10855, 11791, 21710, 23582, 58955, 117910, 151469, 302938, 757345, 1514690, 1969097, 3938194, 9845485, 19690970]

約数ペア:

[(1, 19690970), (2, 9845485), (5, 3938194), (10, 1969097), (13, 1514690), (26, 757345), (65, 302938), (130, 151469), (167, 117910), (334, 58955), (835, 23582), (907, 21710), (1670, 11791), (1814, 10855), (2171, 9070), (4342, 4535)]