19292912

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{401}}^1$

素因数の和:537

約数の個数: 40

約数和(自身を含む): 39080832

約数和(自身を除く): 19787920

約数列:

[1, 2, 4, 8, 16, 31, 62, 97, 124, 194, 248, 388, 401, 496, 776, 802, 1552, 1604, 3007, 3208, 6014, 6416, 12028, 12431, 24056, 24862, 38897, 48112, 49724, 77794, 99448, 155588, 198896, 311176, 622352, 1205807, 2411614, 4823228, 9646456, 19292912]

約数ペア:

[(1, 19292912), (2, 9646456), (4, 4823228), (8, 2411614), (16, 1205807), (31, 622352), (62, 311176), (97, 198896), (124, 155588), (194, 99448), (248, 77794), (388, 49724), (401, 48112), (496, 38897), (776, 24862), (802, 24056), (1552, 12431), (1604, 12028), (3007, 6416), (3208, 6014)]