18888540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{28619}}^1$

素因数の和:28642

約数の個数: 48

約数和(自身を含む): 57697920

約数和(自身を除く): 38809380

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 28619, 57238, 85857, 114476, 143095, 171714, 286190, 314809, 343428, 429285, 572380, 629618, 858570, 944427, 1259236, 1574045, 1717140, 1888854, 3148090, 3777708, 4722135, 6296180, 9444270, 18888540]

約数ペア:

[(1, 18888540), (2, 9444270), (3, 6296180), (4, 4722135), (5, 3777708), (6, 3148090), (10, 1888854), (11, 1717140), (12, 1574045), (15, 1259236), (20, 944427), (22, 858570), (30, 629618), (33, 572380), (44, 429285), (55, 343428), (60, 314809), (66, 286190), (110, 171714), (132, 143095), (165, 114476), (220, 85857), (330, 57238), (660, 28619)]