18244520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2833}}^1$

素因数の和:2874

約数の個数: 64

約数和(自身を含む): 48971520

約数和(自身を除く): 30727000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 280, 322, 460, 644, 805, 920, 1288, 1610, 2833, 3220, 5666, 6440, 11332, 14165, 19831, 22664, 28330, 39662, 56660, 65159, 79324, 99155, 113320, 130318, 158648, 198310, 260636, 325795, 396620, 456113, 521272, 651590, 793240, 912226, 1303180, 1824452, 2280565, 2606360, 3648904, 4561130, 9122260, 18244520]

約数ペア:

[(1, 18244520), (2, 9122260), (4, 4561130), (5, 3648904), (7, 2606360), (8, 2280565), (10, 1824452), (14, 1303180), (20, 912226), (23, 793240), (28, 651590), (35, 521272), (40, 456113), (46, 396620), (56, 325795), (70, 260636), (92, 198310), (115, 158648), (140, 130318), (161, 113320), (184, 99155), (230, 79324), (280, 65159), (322, 56660), (460, 39662), (644, 28330), (805, 22664), (920, 19831), (1288, 14165), (1610, 11332), (2833, 6440), (3220, 5666)]