19280844

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{269}}^1$

素因数の和:471

約数の個数: 72

約数和(自身を含む): 53660880

約数和(自身を除く): 34380036

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 181, 198, 269, 362, 396, 538, 543, 724, 807, 1076, 1086, 1614, 1629, 1991, 2172, 2421, 2959, 3228, 3258, 3982, 4842, 5918, 5973, 6516, 7964, 8877, 9684, 11836, 11946, 17754, 17919, 23892, 26631, 35508, 35838, 48689, 53262, 71676, 97378, 106524, 146067, 194756, 292134, 438201, 535579, 584268, 876402, 1071158, 1606737, 1752804, 2142316, 3213474, 4820211, 6426948, 9640422, 19280844]

約数ペア:

[(1, 19280844), (2, 9640422), (3, 6426948), (4, 4820211), (6, 3213474), (9, 2142316), (11, 1752804), (12, 1606737), (18, 1071158), (22, 876402), (33, 584268), (36, 535579), (44, 438201), (66, 292134), (99, 194756), (132, 146067), (181, 106524), (198, 97378), (269, 71676), (362, 53262), (396, 48689), (538, 35838), (543, 35508), (724, 26631), (807, 23892), (1076, 17919), (1086, 17754), (1614, 11946), (1629, 11836), (1991, 9684), (2172, 8877), (2421, 7964), (2959, 6516), (3228, 5973), (3258, 5918), (3982, 4842)]