19466480

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{2011}}^1$

素因数の和:2046

約数の個数: 60

約数和(自身を含む): 49772856

約数和(自身を除く): 30306376

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 121, 176, 220, 242, 440, 484, 605, 880, 968, 1210, 1936, 2011, 2420, 4022, 4840, 8044, 9680, 10055, 16088, 20110, 22121, 32176, 40220, 44242, 80440, 88484, 110605, 160880, 176968, 221210, 243331, 353936, 442420, 486662, 884840, 973324, 1216655, 1769680, 1946648, 2433310, 3893296, 4866620, 9733240, 19466480]

約数ペア:

[(1, 19466480), (2, 9733240), (4, 4866620), (5, 3893296), (8, 2433310), (10, 1946648), (11, 1769680), (16, 1216655), (20, 973324), (22, 884840), (40, 486662), (44, 442420), (55, 353936), (80, 243331), (88, 221210), (110, 176968), (121, 160880), (176, 110605), (220, 88484), (242, 80440), (440, 44242), (484, 40220), (605, 32176), (880, 22121), (968, 20110), (1210, 16088), (1936, 10055), (2011, 9680), (2420, 8044), (4022, 4840)]