19879398

素因数分解:

$2^1\times 3^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{683}}^1$

素因数の和:719

約数の個数: 96

約数和(自身を含む): 56142720

約数和(自身を除く): 36263322

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 27, 33, 42, 49, 54, 63, 66, 77, 98, 99, 126, 147, 154, 189, 198, 231, 294, 297, 378, 441, 462, 539, 594, 683, 693, 882, 1078, 1323, 1366, 1386, 1617, 2049, 2079, 2646, 3234, 4098, 4158, 4781, 4851, 6147, 7513, 9562, 9702, 12294, 14343, 14553, 15026, 18441, 22539, 28686, 29106, 33467, 36882, 43029, 45078, 52591, 66934, 67617, 86058, 100401, 105182, 129087, 135234, 157773, 200802, 202851, 258174, 301203, 315546, 368137, 405702, 473319, 602406, 736274, 903609, 946638, 1104411, 1419957, 1807218, 2208822, 2839914, 3313233, 6626466, 9939699, 19879398]

約数ペア:

[(1, 19879398), (2, 9939699), (3, 6626466), (6, 3313233), (7, 2839914), (9, 2208822), (11, 1807218), (14, 1419957), (18, 1104411), (21, 946638), (22, 903609), (27, 736274), (33, 602406), (42, 473319), (49, 405702), (54, 368137), (63, 315546), (66, 301203), (77, 258174), (98, 202851), (99, 200802), (126, 157773), (147, 135234), (154, 129087), (189, 105182), (198, 100401), (231, 86058), (294, 67617), (297, 66934), (378, 52591), (441, 45078), (462, 43029), (539, 36882), (594, 33467), (683, 29106), (693, 28686), (882, 22539), (1078, 18441), (1323, 15026), (1366, 14553), (1386, 14343), (1617, 12294), (2049, 9702), (2079, 9562), (2646, 7513), (3234, 6147), (4098, 4851), (4158, 4781)]