19529380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2423}}^1$

素因数の和:2476

約数の個数: 48

約数和(自身を含む): 45609984

約数和(自身を除く): 26080604

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 2423, 4030, 4846, 8060, 9692, 12115, 24230, 31499, 48460, 62998, 75113, 125996, 150226, 157495, 300452, 314990, 375565, 629980, 751130, 976469, 1502260, 1952938, 3905876, 4882345, 9764690, 19529380]

約数ペア:

[(1, 19529380), (2, 9764690), (4, 4882345), (5, 3905876), (10, 1952938), (13, 1502260), (20, 976469), (26, 751130), (31, 629980), (52, 375565), (62, 314990), (65, 300452), (124, 157495), (130, 150226), (155, 125996), (260, 75113), (310, 62998), (403, 48460), (620, 31499), (806, 24230), (1612, 12115), (2015, 9692), (2423, 8060), (4030, 4846)]