19469084380

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{181513}}^1$

素因数の和:181726

約数の個数: 48

約数和(自身を含む): 42448137984

約数和(自身を除く): 22979053604

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 173, 310, 346, 620, 692, 865, 1730, 3460, 5363, 10726, 21452, 26815, 53630, 107260, 181513, 363026, 726052, 907565, 1815130, 3630260, 5626903, 11253806, 22507612, 28134515, 31401749, 56269030, 62803498, 112538060, 125606996, 157008745, 314017490, 628034980, 973454219, 1946908438, 3893816876, 4867271095, 9734542190, 19469084380]

約数ペア:

[(1, 19469084380), (2, 9734542190), (4, 4867271095), (5, 3893816876), (10, 1946908438), (20, 973454219), (31, 628034980), (62, 314017490), (124, 157008745), (155, 125606996), (173, 112538060), (310, 62803498), (346, 56269030), (620, 31401749), (692, 28134515), (865, 22507612), (1730, 11253806), (3460, 5626903), (5363, 3630260), (10726, 1815130), (21452, 907565), (26815, 726052), (53630, 363026), (107260, 181513)]