19995822

素因数分解:

$2^1\times 3^4\times 7^2\times {\mathrm{11}}^1\times {\mathrm{229}}^1$

素因数の和:268

約数の個数: 120

約数和(自身を含む): 57107160

約数和(自身を除く): 37111338

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 27, 33, 42, 49, 54, 63, 66, 77, 81, 98, 99, 126, 147, 154, 162, 189, 198, 229, 231, 294, 297, 378, 441, 458, 462, 539, 567, 594, 687, 693, 882, 891, 1078, 1134, 1323, 1374, 1386, 1603, 1617, 1782, 2061, 2079, 2519, 2646, 3206, 3234, 3969, 4122, 4158, 4809, 4851, 5038, 6183, 6237, 7557, 7938, 9618, 9702, 11221, 12366, 12474, 14427, 14553, 15114, 17633, 18549, 22442, 22671, 28854, 29106, 33663, 35266, 37098, 43281, 43659, 45342, 52899, 67326, 68013, 86562, 87318, 100989, 105798, 123431, 129843, 136026, 158697, 201978, 204039, 246862, 259686, 302967, 317394, 370293, 408078, 476091, 605934, 740586, 908901, 952182, 1110879, 1428273, 1817802, 2221758, 2856546, 3332637, 6665274, 9997911, 19995822]

約数ペア:

[(1, 19995822), (2, 9997911), (3, 6665274), (6, 3332637), (7, 2856546), (9, 2221758), (11, 1817802), (14, 1428273), (18, 1110879), (21, 952182), (22, 908901), (27, 740586), (33, 605934), (42, 476091), (49, 408078), (54, 370293), (63, 317394), (66, 302967), (77, 259686), (81, 246862), (98, 204039), (99, 201978), (126, 158697), (147, 136026), (154, 129843), (162, 123431), (189, 105798), (198, 100989), (229, 87318), (231, 86562), (294, 68013), (297, 67326), (378, 52899), (441, 45342), (458, 43659), (462, 43281), (539, 37098), (567, 35266), (594, 33663), (687, 29106), (693, 28854), (882, 22671), (891, 22442), (1078, 18549), (1134, 17633), (1323, 15114), (1374, 14553), (1386, 14427), (1603, 12474), (1617, 12366), (1782, 11221), (2061, 9702), (2079, 9618), (2519, 7938), (2646, 7557), (3206, 6237), (3234, 6183), (3969, 5038), (4122, 4851), (4158, 4809)]