19628710

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{103}}^1$

素因数の和:205

約数の個数: 64

約数和(自身を含む): 40435200

約数和(自身を除く): 20806490

約数列:

[1, 2, 5, 10, 17, 19, 34, 38, 59, 85, 95, 103, 118, 170, 190, 206, 295, 323, 515, 590, 646, 1003, 1030, 1121, 1615, 1751, 1957, 2006, 2242, 3230, 3502, 3914, 5015, 5605, 6077, 8755, 9785, 10030, 11210, 12154, 17510, 19057, 19570, 30385, 33269, 38114, 60770, 66538, 95285, 103309, 115463, 166345, 190570, 206618, 230926, 332690, 516545, 577315, 1033090, 1154630, 1962871, 3925742, 9814355, 19628710]

約数ペア:

[(1, 19628710), (2, 9814355), (5, 3925742), (10, 1962871), (17, 1154630), (19, 1033090), (34, 577315), (38, 516545), (59, 332690), (85, 230926), (95, 206618), (103, 190570), (118, 166345), (170, 115463), (190, 103309), (206, 95285), (295, 66538), (323, 60770), (515, 38114), (590, 33269), (646, 30385), (1003, 19570), (1030, 19057), (1121, 17510), (1615, 12154), (1751, 11210), (1957, 10030), (2006, 9785), (2242, 8755), (3230, 6077), (3502, 5605), (3914, 5015)]