17967202940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{647}}^1\times {\mathrm{73079}}^1$

素因数の和:73754

約数の個数: 48

約数和(自身を含む): 39778905600

約数和(自身を除く): 21811702660

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 647, 1294, 2588, 3235, 6470, 12293, 12940, 24586, 49172, 61465, 73079, 122930, 146158, 245860, 292316, 365395, 730790, 1388501, 1461580, 2777002, 5554004, 6942505, 13885010, 27770020, 47282113, 94564226, 189128452, 236410565, 472821130, 898360147, 945642260, 1796720294, 3593440588, 4491800735, 8983601470, 17967202940]

約数ペア:

[(1, 17967202940), (2, 8983601470), (4, 4491800735), (5, 3593440588), (10, 1796720294), (19, 945642260), (20, 898360147), (38, 472821130), (76, 236410565), (95, 189128452), (190, 94564226), (380, 47282113), (647, 27770020), (1294, 13885010), (2588, 6942505), (3235, 5554004), (6470, 2777002), (12293, 1461580), (12940, 1388501), (24586, 730790), (49172, 365395), (61465, 292316), (73079, 245860), (122930, 146158)]