19731195

素因数分解:

$3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1$

素因数の和:174

約数の個数: 80

約数和(自身を含む): 39866112

約数和(自身を除く): 20134917

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 43, 45, 55, 81, 99, 103, 129, 135, 165, 215, 297, 309, 387, 405, 473, 495, 515, 645, 891, 927, 1133, 1161, 1419, 1485, 1545, 1935, 2365, 2781, 3399, 3483, 4257, 4429, 4455, 4635, 5665, 5805, 7095, 8343, 10197, 12771, 13287, 13905, 16995, 17415, 21285, 22145, 30591, 38313, 39861, 41715, 48719, 50985, 63855, 66435, 91773, 119583, 146157, 152955, 191565, 199305, 243595, 358749, 438471, 458865, 597915, 730785, 1315413, 1793745, 2192355, 3946239, 6577065, 19731195]

約数ペア:

[(1, 19731195), (3, 6577065), (5, 3946239), (9, 2192355), (11, 1793745), (15, 1315413), (27, 730785), (33, 597915), (43, 458865), (45, 438471), (55, 358749), (81, 243595), (99, 199305), (103, 191565), (129, 152955), (135, 146157), (165, 119583), (215, 91773), (297, 66435), (309, 63855), (387, 50985), (405, 48719), (473, 41715), (495, 39861), (515, 38313), (645, 30591), (891, 22145), (927, 21285), (1133, 17415), (1161, 16995), (1419, 13905), (1485, 13287), (1545, 12771), (1935, 10197), (2365, 8343), (2781, 7095), (3399, 5805), (3483, 5665), (4257, 4635), (4429, 4455)]