18742284

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:140

約数の個数: 144

約数和(自身を含む): 56609280

約数和(自身を除く): 37866996

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 19, 22, 33, 36, 38, 44, 47, 53, 57, 66, 76, 94, 99, 106, 114, 132, 141, 159, 171, 188, 198, 209, 212, 228, 282, 318, 342, 396, 418, 423, 477, 517, 564, 583, 627, 636, 684, 836, 846, 893, 954, 1007, 1034, 1166, 1254, 1551, 1692, 1749, 1786, 1881, 1908, 2014, 2068, 2332, 2491, 2508, 2679, 3021, 3102, 3498, 3572, 3762, 4028, 4653, 4982, 5247, 5358, 6042, 6204, 6996, 7473, 7524, 8037, 9063, 9306, 9823, 9964, 10494, 10716, 11077, 12084, 14946, 16074, 18126, 18612, 19646, 20988, 22154, 22419, 27401, 29469, 29892, 32148, 33231, 36252, 39292, 44308, 44838, 47329, 54802, 58938, 66462, 82203, 88407, 89676, 94658, 99693, 109604, 117876, 132924, 141987, 164406, 176814, 189316, 199386, 246609, 283974, 328812, 353628, 398772, 425961, 493218, 520619, 567948, 851922, 986436, 1041238, 1561857, 1703844, 2082476, 3123714, 4685571, 6247428, 9371142, 18742284]

約数ペア:

[(1, 18742284), (2, 9371142), (3, 6247428), (4, 4685571), (6, 3123714), (9, 2082476), (11, 1703844), (12, 1561857), (18, 1041238), (19, 986436), (22, 851922), (33, 567948), (36, 520619), (38, 493218), (44, 425961), (47, 398772), (53, 353628), (57, 328812), (66, 283974), (76, 246609), (94, 199386), (99, 189316), (106, 176814), (114, 164406), (132, 141987), (141, 132924), (159, 117876), (171, 109604), (188, 99693), (198, 94658), (209, 89676), (212, 88407), (228, 82203), (282, 66462), (318, 58938), (342, 54802), (396, 47329), (418, 44838), (423, 44308), (477, 39292), (517, 36252), (564, 33231), (583, 32148), (627, 29892), (636, 29469), (684, 27401), (836, 22419), (846, 22154), (893, 20988), (954, 19646), (1007, 18612), (1034, 18126), (1166, 16074), (1254, 14946), (1551, 12084), (1692, 11077), (1749, 10716), (1786, 10494), (1881, 9964), (1908, 9823), (2014, 9306), (2068, 9063), (2332, 8037), (2491, 7524), (2508, 7473), (2679, 6996), (3021, 6204), (3102, 6042), (3498, 5358), (3572, 5247), (3762, 4982), (4028, 4653)]